TY - BOOK AU - World Health Organization TI - Barrier contraceptives and spermicides: their role in family planning care SN - 92-4-156101-7 U1 - 615.477 PY - 1987/// CY - Geneva PB - World Health Oraganization KW - WHO KW - Pharmacology -- Therapeutics N1 - Gift; WHO, pharmaceutical standards, international pharmacopoeia ER -