TY - BOOK T1 - Longitudinal studies of HIV infection in intravenous drug users :methodological issues in natural history research / DA - 1991. CY - Rockville, MD : CY - Washington, D.C. : AU - Hartsock, Peter. AU - Genser, Sander G. CN - RC607.A26 CN - RC607.A26 PB - U.S. Dept. of Health and Human Services, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration, National Institute on Drug Abuse ; PB - For sale by the Supt. of Docs, U.S. G.P.O., PP - Rockville, MD : PP - Washington, D.C. : PY - 1991. ID - 135111 KW - HIV infections KW - HIV infections KW - Intravenous drug abuse KW - Intravenous drug abusers TI - Longitudinal studies of HIV infection in intravenous drug users :methodological issues in natural history research / ER -