Authors: Sears, C Guydish, JR Weltzien, EK Lum, PJ

Citation: C. Sears et al., Investigation of a secondary syringe exchange program for homeless young adult injection drug users in San Francisco, California, USA, J ACQ IMM D, 27(2), 2001, pp. 193-201

Authors: Woods, WJ Guydish, JR Sorensen, JL Coutts, A Bostrom, A Acampora, A

Citation: Wj. Woods et al., Changes in HIV-related risk behaviors following drug abuse treatment, AIDS, 13(15), 1999, pp. 2151-2155