TY - BOOK ED - Pan American Health Organization. TI - Anticonceptivos orales: aspectos técnicos y de inocuidad SN - 9275314284 PY - 1982/// CY - Washington, D.C. PB - Organizaci'on Panamericana de la Salud KW - Contraceptives, Oral KW - administration and dosage KW - adverse effects N1 - Translation of: Oral contraceptives : technical and safety aspects. 1982. (WHO offset publication ; no. 64) ER -