TY - GEN ED - United Nations Expert Group Meeting on Measuring the Dynamics of Contraceptive Use (1988 : New York). TI - Measuring the dynamics of contraceptive use : proceedings of the United Nations Expert Group Meeting, New York, 5-7 December 1988 PY - 1991/// CY - New York : PB - United Nations KW - Contraception KW - Statistics KW - Contraception behavior KW - Family planning KW - Developing countries ER -