TY - BOOK TI - Levels and trends of contraceptive use as assessed in 1994 SN - 9211513103 (pbk.): PY - 1996/// CY - New York PB - United Nations KW - Birth control KW - Statistics KW - Contraception N1 - At head of title: Department for Economic and Social Information and Policy Analysis, Population Division; Bibliography: p.148-163 ER -