Helen Cesari

Reliability of self-reported HIV risk behaviors of drug users.

Richard Needle, Dennis G. Fisher, Norman L. Weatherby et al. · Psychology of Addictive Behaviors · 1995 · 491 citations

Sexual Health, Substance Abuse, Substance Use +13

Validity of self-reported drug use among injection drug users and crack cocaine users recruited through street outreach

Norman L. Weatherby, Richard Needle, Helen Cesari et al. · Evaluation and Program Planning · 1994 · 456 citations

Substance Abuse, Injection Drug Users, Substance Use +10

HIV Risk Behaviors Associated with the Injection Process: Multiperson Use of Drug Injection Equipment and Paraphernalia in Injection Drug User Networks

Richard Needle, Susan L. Coyle, Helen Cesari et al. · Substance Use & Misuse · 1998 · 119 citations

Drug Policy, Injection Process, Drug Assessment +18

HIV prevention with drug-using populations--current status and future prospects: introduction and overview.

Richard Needle, Susan L. Coyle, Jacques Normand et al. · PubMed · 1998 · 87 citations

Substance Abuse, Sexual Health, Preventive Medicine +13

Reliability of self-reported HIV risk behaviors of drug users.

Richard Needle, Dennis G. Fisher, Norman L. Weatherby et al. · Psychology of Addictive Behaviors · 1995 · 32 citations

Sexual Health, Substance Abuse, Substance Use +8