TY - BOOK ED - United Nations. TI - Levels and trends of contraceptive use as assessed in 2002 SN - 9211513995 U1 - 304.66609045021 23 PY - 2004/// CY - New York PB - United Nations KW - Contraception KW - Statistics KW - Contraceptives KW - Birth control N1 - At head of title: Department of Economic and Social Affairs Population Division; "ST/ESA/SER. A/239."; "United Nations publication sales no. E.01. XIII.9"--T.p. verso; Includes bibliographical references ER -