W. K. Bryant

Overdose deaths attributed to methadone and heroin in New York City, 1990-1998.

T. M. Piper, S. Galea, D. Vlahov, 2004, Addiction.

Determinants of influenza vaccination in hard-to-reach urban populations.

S. Galea, D. Vlahov, S. Blaney, 2006, Preventive medicine.