Chromospheric Variability in SDSS M Dwarfs. II. Short-Timescale H-alpha Variability (2009)
Kruse, E. A., Berger, E., Knapp, G. R., Gunn, J. E., Loomis, C. P., Lupton, R. H., ...
[Abridged] We present the first comprehensive study of short-timescale chromospheric H-alpha variability in M dwarfs using the individual 15 min spectroscopic exposures for 52,392 objects from the...
A big γ-ray burst at a redshift of z ≈ 8.2 (2009)
Tanvir, N. R., Fox, D. B., Levan, A. J., Berger, E., Wiersema, K., Fynbo, J. P. U., ...
4 pages, 3 figures.-- ArXiv pre-print available at: http://arxiv.org/abs/0906.1577
A γ-ray burst at a redshift of z ≈ 8.2 (2009)
Tanvir, N. R., Fox , D. B., Levan, A. J., Berger, E., Wiersema, K., Fynbo, J. P. U., ...
Long-duration γ-ray bursts (GRBs) are thought to result from the explosions of certain massive stars, and some are bright enough that they should be observable out to redshifts of z > 20 using...
We present milliarcsecond-resolution radio very long baseline interferometry (VLBI) observations of the ultracool dwarfs TVLM513-46546 (M8.5) and 2MASS J00361617+1821104 (L3.5) in an attempt to...
Berger, E., Basri, G., Fleming, T. A., Giampapa, M. S., Gizis, J. E., Liebert, J., ...
[Abridged] As part of our on-going investigation into the magnetic field properties of ultracool dwarfs, we present simultaneous radio, X-ray, and H-alpha observations of three M9.5-L2.5 dwarfs...
The High-Metallicity Explosion Environment of the Relativistic Supernova 2009bb (2009)
Levesque, E. M., Soderberg, A. M., Foley, R. J., Berger, E., Kewley, L. J., Chakraborti, S., ...
We investigate the environment of the nearby (d ~ 40Mpc) broad-lined Type Ic supernova SN 2009bb. This event was observed to produce a relativistic outflow likely powered by a central accreting...
Berger, E., Cenko, S. B., Fox, D. B., Cucchiara, A.
[Abridged] We report the discovery of the near-infrared and optical afterglow of the short-duration gamma-ray burst GRB070724A. The afterglow is detected in i,J,H,K observations starting 2.3 hr after...
A glimpse of the end of the dark ages: the gamma-ray burst of 23 April 2009 at redshift 8.3 (2009)
Tanvir, N. R., Fox, D. B., Levan, A. J., Berger, E., Wiersema, K., Fynbo, J. P. U., ...
It is thought that the first generations of massive stars in the Universe were an important, and quite possibly dominant, source of the ultra-violet radiation that reionized the hydrogen gas in the...
The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C (2009)
Greiner, J., Clemens, C., Krühler, T., Von-Kienlin, A., Rau, A., Sari, R., ...
Context. The detection of GeV photons from gamma-ray bursts (GRBs) has important consequences for the interpretation and modelling of these most-energetic cosmological explosions. The full...
In Situ Probes of the First Galaxies and Reionization: Gamma-ray Bursts (2009)
McQuinn, Matthew, Bloom, Joshua S., Grindlay, Jonathan, Band, David, Barthelmy, S. D., Berger, E., ...
The first structures in the Universe formed at z>7, at higher redshift than all currently known galaxies. Since GRBs are brighter than other cosmological sources at high redshift and exhibit simple...
The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C (2009)
Greiner, J., Clemens, C., Kruehler, T., Kienlin, A. V., Rau, A., Sari, R., ...
The detection of GeV photons from gamma-ray bursts (GRBs) has important consequences for the interpretation and modelling of these most-energetic cosmological explosions. The full exploitation of the...
Berger, E., Soderberg, A. M., Chevalier, R. A., Fransson, C., Foley, R. J., Leonard, D. C., ...
[abridged] We present multi-epoch high-resolution optical spectroscopy, UV/radio/X-ray imaging, and archival Hubble and Spitzer observations of an intermediate luminosity optical transient recently...
Berger, E, Du Plessis, E, Gerber, I, Crampton, MC, Nxumalo, NP, Louw, M
Copyright: 2009 American Society for Microbiology
The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C (2009)
Greiner, J., Clemens, C., Krühler, T., Von Kienlin, A., Rau, A., Sari, R., ...
To 'display' or not to 'display'- that is the peptide (2008)
Crampton, MC, Berger, E, Louw, ME
Science Real and Relevant: 2nd CSIR Biennial Conference, CSIR International Convention Centre Pretoria, 17 & 18 November 2008
New imaging and spectroscopy of the locations of several short-hard gamma-ray bursts (2008)
Gal-Yam, Avishay, Nakar, Ehud, Ofek, Eran O., Cenko, S. B., Kulkarni, S. R., Soderberg, A. M., ...
The detection and characterization of the afterglow emission and host galaxies of short-hard gamma-ray bursts (SHBs) is one of the most exciting recent astronomical discoveries. In particular,...
The rotation-magnetic field relation (2008)
Reiners, A., Scholz, A., Eislöffel, J., Hallinan, G., Berger, E., Browning, M., ...
Today, the generation of magnetic fields in solar-type stars and its relation to activity and rotation can coherently be explained, although it is certainly not understood in its entirety. Rotation...
Berger, E., Rutledge, R. E., Phan-Bao, N., Basri, G., Giampapa, M. S., Gizis, J. E., ...
[Abridged] We present an 8.5-hour simultaneous radio, X-ray, UV, and optical observation of the L dwarf binary 2MASSW J0746+20. We detect strong radio emission, dominated by short-duration periodic...
GRB 070610: a curious galactic transient (2008)
Kasliwal, M. M., Cenko, S. B., Kulkarni, S. R., Cameron, P. B., Nakar, E., Ofek, E. O., ...
GRB 070610 is a typical high-energy event with a duration of 5 s. Yet within the burst localization we detect a highly unusual X-ray and optical transient, Swift J195509.6+261406. We see...
The association of some short-duration gamma-ray bursts (GRBs) with elliptical galaxies established that their progenitors, unlike those of long GRBs, belong to an old stellar population. However,...
The complex light-curve of the afterglow of GRB071010A (2008)
Covino, S., D'Avanzo, P., Klotz, A., Perley, D. A., Amati, L., Campana, S., ...
We present and discuss the results of an extensive observational campaign devoted to GRB071010A, a long-duration gamma-ray burst detected by the Swift satellite. This event was followed for almost a...
J. C. Browne, E. Berger, A. Dube, J. C. Browne, E. Berger, A. Dube
Performance models are software systems in which the components implement abstractions of the behavior of a total system.This paper describes a capability for semiautomatic development of performance...
An extremely luminous X-ray outburst at the birth of a supernova (2008)
Soderberg, A. M., Berger, E., Page, K. L., Schady, P., Parrent, J., Pooley, D., ...
Massive stars end their short lives in spectacular explosions, supernovae, that synthesize new elements and drive galaxy evolution. Throughout history supernovae were discovered chiefly through their...
An extremely luminous X-ray outburst at the birth of a supernova (2008)
Soderberg, A. M., Berger, E., Page, K. L., Schady, P., Parrent, J., Pooley, D., ...
GRB 070610: a curious galactic transient (2008)
Kasliwal, M. M., Cenko, S. B., Kulkarni, S. R., Cameron, P. B., Nakar, E., Ofek, E. O., ...
The complex light curve of the afterglow of GRB 071010A (2008)
Covino, S., D'Avanzo, P., Klotz, A., Perley, D. A., Amati, L., Campana, S., ...
An extremely luminous X-ray outburst at the birth of a supernova (2008)
Soderberg, A.M., Berger, E., Page, K.L., Schady, P., Parrent, J., Pooley, D., ...
Massive stars end their short lives in spectacular explosions—supernovae—that synthesize new elements and drive galaxy evolution. Historically, supernovae were discovered mainly through their...
GRB070125: The First Long-Duration Gamma-Ray Burst in a Halo Environment (2007)
Cenko, S. B., Fox, D. B., Penprase, B. E., Cucchiara, A., Price, P. A., Berger, E., ...
We present the discovery and high signal-to-noise spectroscopic observations of the optical afterglow of the long-duration gamma-ray burst GRB070125. Unlike all previously observed long-duration...
E. Berger, R. Blair, J. Dawson, T. Fuess, V. Guarino, ...
Letter of Interest: Neutrino Oscillation Experiments (2007)
Beyond Minos And, Y-c. Chen, D. Ayres, E. Berger, T. Fields, M. Goodman, ...
uer, P. Nienaber, A. Para, S. Parke, R. Plunkett, X. Qi R. Raja, A. Romanino, A. Russell, P. Shanahan, P. Spentzouris, R. Stefanski M. H. Shaevitz, W. Smart, N. Tobien, A. Tollestrup, A. Van...
Du Plessis, EM, Theron, J, Berger, E, Louw, ME
This is the author's version of the work. It is posted here by permission of the American Society for Microbiology for your personal use. Not for redistribution
Berger, E., Basri, G., Gizis, J. E., Giampapa, M. S., Rutledge, R. E., Liebert, J., ...
[Abridged] As part of our on-going investigation of magnetic activity in ultracool dwarfs we present simultaneous radio, X-ray, UV, and optical observations of LSR1835+32 (M8.5), and simultaneous...
Berger, E., Gizis, J. E., Giampapa, M. S., Rutledge, R. E., Liebert, J., Martin, E., ...
[Abridged] We present the first simultaneous radio, X-ray, ultraviolet, and optical spectroscopic observations of the M8.5 dwarf TVLM513-46546, with a duration of 9 hours. These observations are part...
Berger, E., Chary, R., Cowie, L. L., Price, P. A., Schmidt, B. P., Fox, D. B., ...
We present deep Hubble Space Telescope (HST ) and Spitzer Space Telescope observations of GRB 050904 at z = 6:295. We detect the afterglow in the H band more than 3 weeks after the burst and confirm...
GRB070610 : A Curious Galactic Transient (2007)
Kasliwal, M. M., Cenko, S. B., Kulkarni, S. R., Cameron, P. B., Nakar, E., Ofek, E. O., ...
GRB 070610 is a typical high-energy event with a duration of 5s.Yet within the burst localization we detect a highly unusual X-ray and optical transient, SwiftJ195509.6+261406. We see high amplitude...
A New Population of High-Redshift Short-Duration Gamma-Ray Bursts (2007)
Berger, E., Fox, D. B., Price, P. A., Nakar, E., Gal-Yam, A., Holz, D. E., ...
The redshift distribution of the short-duration gamma-ray bursts (GRBs) is a crucial, but currently fragmentary, clue to the nature of their progenitors. Here we present optical observations of nine...
Properties of a Gamma-Ray Burst Host Galaxy at z ~ 5 (2007)
Price, P. A., Songaila, A., Cowie, L. L., Bell Burnell, J., Berger, E., Cucchiara, A., ...
We describe the properties of the host galaxy of the gamma-ray burst GRB 060510B based on a spectrum of the burst afterglow obtained with the Gemini North 8 m telescope. The galaxy lies at a redshift...
Crampton, M, Berger, E, Reid, S, Louw, M
Copyright: 2007 Springer Verlag
Crampton, M, Berger, E, Reid, S, Louw, M
Copyright: 2007 Springer Verlag
The ERO Host Galaxy of GRB 020127: Implications for the Metallicity of GRB Progenitors (2007)
Berger, E., Fox, D. B., Kulkarni, S. R., Frail, D. A., Djorgovski, S. G.
We present optical and near-IR observations of the host galaxy of GRB 020127, for which we measure R - K_s = 6.2 mag. This is only the second GRB host to date classified as an ERO. The spectral...
ERMA - electronic risk management architecture for small and medium-sized communities (2007)
Berger, E., Peinel, G., Rose, T.
Project ERMA (Electronic Risk Management Architecture) strives to support risk management processes in small to medium-sized communities in case of natural or man-made disaster. The supported life...
ERMA - electronic risk management architecture for small and medium-sized communities (2007)
Berger, E., Peinel, G., Rose, T.
Project ERMA (Electronic Risk Management Architecture) strives to support risk management processes in small to medium-sized communities in case of natural or man-made disaster. The supported life...
IT for risk and emergency management: Consolidating methodologies for user-centred design (2007)
Affeltranger, B., Berger, E., Peinel, G., Rose, T.
Managing risks and emergencies caused by natural and technological hazards is a complex task for local authorities, emergency services, and their partners in risk management. When making risk-related...
Process-oriented risk management for smaller municipalities (2007)
Peinel, G., Rose, T., Berger, E.
Project ERMA (Electronic Risk Management Architecture) develops a platform for risk managers that can be cus-tomised to individual risk management scenarios in order to meet the needs of small and...
IT for risk and emergency management: Consolidating methodologies for user-centred design (2007)
Affeltranger, B., Berger, E., Peinel, G., Rose, T.
Managing risks and emergencies caused by natural and technological hazards is a complex task for local authorities, emergency services, and their partners in risk management. When making risk-related...
Process-oriented risk management for smaller municipalities (2007)
Peinel, G., Rose, T., Berger, E.
Project ERMA (Electronic Risk Management Architecture) develops a platform for risk managers that can be cus-tomised to individual risk management scenarios in order to meet the needs of small and...
Cenko, S. B., Kasliwal, M., Harrison, F. A., Pal'shin, V., Frail, D. A., Cameron, P. B., ...
We present observations of the unusually bright and long γ-ray burst GRB 050820A, one of the best sampled broadband data sets in the Swift era. The γ-ray light curve is marked by a soft precursor...
Du Plessis, A, Theron, J, Berger, E, Louw, ME
The paper was later on published in Microbial Cell Factories
Ramchuran, SO, Berger, E, Du Plessis, E, Crampton, BG, Louw, ME
This poster presentation is published by BioMed Central in 'open access' the article is universally and freely accessible
An Energetic Afterglow from a Distant Stellar Explosion (2006)
Frail, D. A., Cameron, P. B., Kasliwal, M., Nakar, E., Price, P. A., Berger, E., ...
We present the discovery of radio afterglow emission from the high-redshift (z = 6.295) burst GRB 050904. The peak flux density for this burst is similar to typical low-redshift gamma-ray bursts...
An Energetic Afterglow From A Distant Stellar Explosion (2006)
Frail, D. A., Cameron, P. B., Kasliwal, M., Nakar, E., Price, P. A., Berger, E., ...
We present the discovery of radio afterglow emission from the high redshift (z=6.295) burst GRB 050904. The peak flux density for this burst is similar to typical low-redshift gamma-ray bursts (GRB)....
The afterglow of GRB050709 and the nature of the short-hard gamma-ray bursts (2005)
Fox, D. B., Frail, D. A., Price, P. A., Kulkarni, S. R., Berger, E., Piran, T., ...
The final chapter in the long-standing mystery of the gamma-ray bursts (GRBs) centres on the origin of the short-hard class, suspected on theoretical grounds to result from the coalescence of neutron...
The Progenitors of Short-Hard Gamma-Ray Bursts from an Extended Sample of Events (2005)
Gal-Yam, Avishay, Nakar, Ehud, Ofek, Eran, Fox, D. B., Cenko, S. B., Kulkarni, S. R., ...
The detection of the afterglow emission and host galaxies of short-hard gamma-ray bursts (SHBs) is one of the most exciting recent astronomical discoveries. Indications that SHB progenitors belong to...
A Morphological Study of Gamma-Ray Burst Host Galaxies (2005)
Wainwright, C., Berger, E., Penprase, B. E.
We present a comprehensive study of the morphological properties of 42 gamma-ray burst (GRB) host galaxies imaged with the Hubble Space Telescope in the optical band. The purpose of this study is to...
Afterglows, redshifts, and properties of swift gammaray bursts (2005)
Berger, E., Kulkarni, S. R., Fox, D. B., Soderberg, A. M.., Harrison, F. A., Nakar, E., ...
We present optical, near-IR, and radio follow-up of 16 Swift bursts, including our discovery of nine afterglows and a redshift determination for three. These observations, supplemented by data from...
Afterglows, redshifts, and properties of swift gammaray bursts (2005)
Berger, E., Kulkarni, S. R., Fox, D. B., Soderberg, A. M.., Harrison, F. A., Nakar, E., ...
We present optical, near-IR, and radio follow-up of 16 Swift bursts, including our discovery of nine afterglows and a redshift determination for three. These observations, supplemented by data from...
Afterglows, Redshifts, and Properties of Swift Gamma-Ray Bursts (2005)
Berger, E., Kulkarni, S. R., Fox, D. B., Soderberg, A. M., Harrison, F. A., Nakar, E., ...
We present optical, near-IR, and radio follow-up of 16 Swift bursts, including our discovery of nine afterglows and a redshift determination for three. These observations, supplemented by data from...
The sub-energetic gamma-ray burst GRB 031203 as a cosmic analogue to the nearby GRB 980425 (2004)
Soderberg, AM, Kulkarni, SR, Berger, E, Fox, DW, Sako, M, Frail, DA, ...
Over the six years since the discovery(1) of the gamma-ray burst GRB 980425, which was associated(2) with the nearby ( distance similar to40 Mpc) supernova 1998bw, astronomers have debated fiercely...
A Redshift Determination for XRF 020903: First Spectroscopic Observations of an X-Ray Flash (2003)
Soderberg, A. M., Kulkarni, S. R., Berger, E., Fox, D. B., Price, P. A., Yost, S. A., ...
We report the discovery of optical and radio afterglow emission from the extremely soft X-ray flash, XRF 020903. Our spectroscopic observations provide the first redshift for an X-ray flash, thereby...
Discovery of Early Optical Emission from GRB 021211 (2003)
Fox, D. W., Price, P. A., Soderberg, A. M., Berger, E., Kulkarni, S. R., Sari, R., ...
We report our discovery and early time optical, near-infrared, and radio wavelength follow-up observations of the afterglow of the gamma-ray burst GRB 021211. Our optical observations, beginning 21...
Millimeter observations of GRB 030329 : continued evidence for a two-component jet (2003)
Sheth, K., Frail, D. A., White, S., Das, M., Bertoldi, F., Walter, F., ...
We present the results of a dedicated campaign on the afterglow of GRB 030329 with the millimeter interferometers of the Owens Valley Radio Observatory (OVRO) and the Berkeley-Illinois-Maryland...
Dumontet, C., Jaubert, J., Sebban, C., Bouafia, F., Ardiet, C., Tranchand, B., ...
Background: Patients with relapsing or refractory multiple myeloma have poor prognosis. Few compounds are active in these patients and response duration remains short. We report the results of an...
GRB 010222 : a burst within a starburst (2002)
Frail, D. A., Bertoldi, F., Moriarty-Schieven, G. H., Berger, E., Price, P. A., Bloom, J. S., ...
We present millimeter- and submillimeter-wavelength observations and near-infrared K-band imaging toward the bright gamma-ray burst GRB 010222. Over seven different epochs, a constant source was...
The afterglows of gamma-ray bursts (2001)
Kulkarni, S. R., Berger, E., Bloom, J. S., Chaffee, F., Diercks, A., Djorgovski, S. G., ...
Gamma-ray burst astronomy has undergone a revolution in the last three years, spurred by the discovery of fading long-wavelength counterparts. We now know that at least the long duration GRBs lie at...
Beaming in Gamma-Ray Bursts: Evidence for a Standard Energy Reservoir (2001)
Frail, D. A., Kulkarni, S. R., Sari, R., Djorgovski, S. G., Bloom, J. S., Galama, T. J., ...
Gamma-ray bursts (GRBs) are the most brilliant objects in the Universe but efforts to estimate the total energy released in the explosion -- a crucial physical quantity -- have been stymied by their...
Multiwavelength Follow-Up Observations of Four Short-Duration, Hard-Spectrum Gamma-Ray Bursts (2001)
Hurley, K., Cline, T., Mazets, E., Golenetskii, S., Masetti, N., ...
Determination of the Quadratic Slope Parameter in eta-->3pi0 Decay (2001)
Allgower, C. E., Bekrenev, V., Berger, E., Prakhov, S., Tippens, W. B.
The afterglows of gamma-ray bursts (2000)
Kulkarni, S. R., Berger, E., Bloom, J. S., Chaffee, F., Diercks, A., Djorgovski, S. G., ...
Gamma-ray burst astronomy has undergone a revolution in the last three years, spurred by the discovery of fading long-wavelength counterparts. We now know that at least the long-duration GRBs lie at...
The afterglows of gamma-ray bursts (2000)
Kulkarni, S. R., Berger, E., Bloom, J. S., Chaffee, F., Diercks, A., Djorgovski, S. G., ...
Gamma-ray burst astronomy has undergone a revolution in the last three years, spurred by the discovery of fading long-wavelength counterparts. We now know that at least the long duration GRBs lie at...
Scalable Load Distribution and Load Balancing for Dynamic Parallel Programs (1999)
This paper reports design and preliminary evaluation of an integrated load distribution-load balancing algorithm which was targeted to be both efficient and scalable for dynamically structured...
Estimation of Radon Exposure History for Analysis of a Residential Epidemiology Study (1999)
Mahaffey, J.A., Alavanja, M.C.R., Parkhurst, M.A., Berger, E., Brownson, R.C.
Traditional methods for assessing radon exposure in epidemiological studies have used current ambient detector measurements as surrogates for concentrations decades ago in past residences occupied by...
Colorni, A, Avtalion, R, Knibb, W R, Berger, E, Colorni, B, Timan, B
The histopathology and serological effects of an experimental infection of Mycobacterium marinum in sea bass Dicentrarchus labrax were studied. Following an intraperitoneal injection of 8.8×104 M....
Structure Function Subgroup Summary (1997)
Harris, D., Olness, F. I., Ritz, S., Albrow, M., Berger, E., Bolton, T., ...
We summarize the studies and discussions of the Structure Function subgroup of the QCD working group of the Snowmass 1996 Workshop: New Directions for High Energy Physics.
A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)
Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)
Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)
Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...
Overview of ASDEX Upgrade results (1997)
KAUFMANN, M, SCHWEINZER, J, ALBRECHT, M, ALEXANDER, M, Asmussen, Katrin, BECKER, G, ...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1996)
Berger, E, Blair, R, Dawson, J, Fuess, T A, Guarino, V, Hill, N, ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS.\\ The differential probability $dP/dv$ per radiation...
Hard hadronic collisions: extrapolation of standard effects (1990)
Ali, A, Aurenche, Patrick, Baier, R, Berger, E, Douiri, A, Fontannaz, M, ...
The Faraday Darc Space FDS of an anomalous glow discharge is a good test object for the investigation of electron velocity distributions (EVD) in weak electric fields, because it is a transition...
The Faraday Darc Space FDS of an anomalous glow discharge is a good test object for the investigation of electron velocity distributions (EVD) in weak electric fields, because it is a transition...
The Faraday Darc Space FDS of an anomalous glow discharge is a good test object for the investigation of electron velocity distributions (EVD) in weak electric fields, because it is a transition...
BAGNOL, J., BERGER, E., PIERI, J. C.
A heating device to observe the growth “in situ” of metal whiskers with the electron microscope in the range of room temperature to + 200°C is described in detail. Performances and...
Transient multiple cranial nerve involvement as a first sign of macrophage activation syndrome.
Rumbach, L, Berger, E, Tatu, L, Moulin, T, Cahn, J Y, Dupond, J L, ...
Avian exposure and risk of lung cancer in women in Missouri: population based case-control study.
Alavanja, M. C., Brownson, R. C., Berger, E., Lubin, J., Modigh, C.
OBJECTIVE: To investigate the association, previously reported in three European studies, between ownership of pet birds and the risk of lung cancer. DESIGN: A population based case-control study...