TY - BOOK AU - Gray,Ronald AU - Leridon,Henri AU - Spira,Alfred TI - Biomedical and demographic determinants of reproduction SN - 0198283717 : U1 - 304.63 PY - 1993/// CY - Oxford PB - Clarendon Press KW - Human reproduction KW - Regulation KW - Demography KW - Fertility KW - Reproduction N1 - Includes index ER -