Document 0758 DOCN M9550758 TI Accuracy of exposure assessment in prospective studies of risk factors for HIV infection among intravenous drug users [letter] DT 9505 AU Nicolosi A SO AIDS. 1994 Nov;8(11):1629-30. Unique Identifier : AIDSLINE MED/95151248 DE Human HIV Infections/*EPIDEMIOLOGY/ETIOLOGY HIV Seropositivity/*EPIDEMIOLOGY Prospective Studies Reproducibility of Results Risk Factors Risk-Taking San Francisco/EPIDEMIOLOGY Sex Behavior *Substance Abuse, Intravenous LETTER JOURNAL ARTICLE SOURCE: National Library of Medicine. NOTICE: This material may be protected by Copyright Law (Title 17, U.S.Code).