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Citation: H. Hagan et al., Sharing of drug preparation equipment as a risk factor for hepatitis C, AM J PUB HE, 91(1), 2001, pp. 42-46

Authors: Hagan, H McGough, JP Thiede, H Hopkins, SG Weiss, NS Alexander, ER

Citation: H. Hagan et al., Volunteer bias in nonrandomized evaluations of the efficacy of needle-exchange programs, J URBAN H, 77(1), 2000, pp. 103-112

Authors: Hagan, H McGough, JP Thiede, H Hopkins, SG Alexander, ER

Citation: H. Hagan et al., Re: "Syringe exchange and risk of infection with hepatitis B and C viruses" - Five of the authors reply, AM J EPIDEM, 151(2), 2000, pp. 207-208

Authors: Barkan, SE Leonetti, AM Hopkins, SG Duchin, JS

Citation: Se. Barkan et al., Substantial decrease in numbers and rates of AIDS deaths over the last decade, J ACQ IMM D, 22(3), 1999, pp. 312-314

Authors: Buskin, SE Newcomer, LM Koutsky, LA Hooton, TM Spach, DH Hopkins, SG

Citation: Se. Buskin et al., Effect of trimethoprim-sulfamethoxazole as Pneumocystis carinii pneumonia prophylaxis on bacterial illness, Pneumocystis carinii pneumonia, and deathin persons with AIDS, J ACQ IMM D, 20(2), 1999, pp. 201-206