G Ildefonso

Potential risk factors for the transition to injecting among non-injecting heroin users: a comparison of former injectors and never injectors.

S. Sifaneck, A. Neaigus, G. Ildefonso, 2001, Addiction.

Drug scene roles and HIV risk.

R. Curtis, A. Neaigus, B. Jose, 1998, Addiction.

Using dyadic data for a network analysis of HIV infection and risk behaviors among injecting drug users.

R. Curtis, A. Neaigus, B. Jose, 1995, NIDA research monograph.

High-risk personal networks and syringe sharing as risk factors for HIV infection among new drug injectors.

R. Curtis, A. Neaigus, B. Jose, 1996, Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association.

Self-reports of HIV risk behavior by injecting drug users: are they reliable?

R. Curtis, A. Neaigus, B. Jose, 1995, Addiction.