TY - BOOK ED - World Health Organization. TI - Injectable contraceptives: what health workers need to know PY - 1997/// CY - [Geneva] PB - Family Planning and Population, Reproductive Health (Technical Support), Family and Reproductive Health, World Health Organization KW - Contraceptive Agents, Female KW - Injections KW - Community Health Services N1 - "WHO/FRH/FPP/97.31" ER -