RT Book T1 Longitudinal studies of HIV infection in intravenous drug users: methodological issues in natural history research T2 DHHS publication ADM T2 NIDA research monograph series JF DHHS publication A2 Hartsock, Peter LA English PP Rockville, Md. PB US Dep. of Health and Human Services, Publ. Health Service, Alcohol, Drug Abuse, and Mental Health Administration, National Inst. on Drug Abuse YR 1991 UL https://krimdok.uni-tuebingen.de/Record/1105250725 CN 614.5/993 K1 Aufsatzsammlung K1 Drogenmissbrauch : HIV-Infektion : Epidemiologie K1 Drogenmissbrauch : HIV-Infektion : Längsschnittuntersuchung