TY - GEN ED - World Heath Organization TI - Prevention of sexual transmission of human immunodeficiency virus T2 - WHO AIDS Series 6 SN - 9241210060 PY - 1990/// CY - Geneva PB - World Health Organization KW - AIDS (Disease)--Prevention KW - Safe sex in AIDS prevention KW - Acquired immunodeficiency syndrome--prevention & control--transmission KW - HIV KW - Coitus KW - Sexual behaviour ER -