TY - GEN AU - Richard,A J AU - Bell,D C AU - Montoya,I D TI - Age and HIV risk in a national sample of injection drug and crack cocaine users SN - 1082-6084 PY - 2000///1227 KW - Adolescent KW - Adult KW - Age Factors KW - Aging KW - Cocaine-Related Disorders KW - epidemiology KW - Crack Cocaine KW - Female KW - HIV Seropositivity KW - Humans KW - Male KW - Middle Aged KW - Prevalence KW - Risk Factors KW - Risk-Taking KW - Sexual Behavior KW - psychology KW - Social Support KW - Substance Abuse, Intravenous KW - United States N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.3109/10826080009148221 ER -