Charles D. Armstrong

Trapping Phyllophaga spp. (Coleoptera: Scarabaeidae: Melolonthinae) in the United States and Canada using sex attractants. (2006)

Robbins, Paul S., Alm, Steven R., Armstrong, Charles D., Averille, Anne L., Baker, Thomas C., Bauernfiend, Robert J., ...

The sex pheromone of the scarab beetle, Phyllophaga anxia, is a blend of the methyl esters of two amino acids, L-valine and L-isoleucine. A field trapping study was conducted, deploying different...

THE CYTOLOGICAL DIAGNOSIS OF GASTRIC CANCER

Armstrong, Charles D., Johnson, William D., Wilbur, Richard S., Lack, Arthur J.

Established centers find that cytological study of gastric washings with saline or chymotrypsin, adequately performed, is a valuable diagnostic tool in the detection of early and curable gastric...

THE CYTOLOGICAL DIAGNOSIS OF GASTRIC CANCER

Armstrong, Charles D., Johnson, William D., Wilbur, Richard S., Lack, Arthur J.

Established centers find that cytological study of gastric washings with saline or chymotrypsin, adequately performed, is a valuable diagnostic tool in the detection of early and curable gastric...