TY - BOOK TI - Prevention Of Sexual Tranmission Of Human Immunodefiency Virus T2 - Six SN - 9241210060 U1 - 616.9792 PRE PY - 1990/// CY - Geneva PB - W.H.O KW - Acquired Immunodefiency Syndrome KW - Prevention & Control KW - Tranmission KW - Coitus KW - HIV KW - Sex Behavior ER -