TY - JOUR A1 - Kamb, M.L. A1 - Dillon, B.A. A1 - Fishbein, M. A1 - Willis, K.L. T1 - Quality assurance of HIV prevention counseling in a multi-center randomized controlled trial Y1 - 1996 JF - Public Health Reports VL - 111 IS - Supplement 1 SP - 99 EP - -107 ER -