Farfel, M, Digrande, L, Brackbill, R, Prann, A, Cone, J, Friedman, S, ...
http://deepblue.lib.umich.edu/bitstream/2027.42/61276/1/farfel m, digrande l, brackbill r, galea s, overview of 9-11 experiences and respiratory and mental haelth conditions.pdf