Citation: Ja. Hoffman et al., Frequency and intensity of crack use as predictors of women's involvement in HIV-related sexual risk behaviors, DRUG AL DEP, 58(3), 2000, pp. 227-236
Citation: Ja. Hoffman et al., Project neighborhoods in action: An HIV-related intervention project targeting drug abusers in Washington, DC, J URBAN H, 76(4), 1999, pp. 419-434