TY - JOUR A1 - Liu, J. A1 - Larsen, U. A1 - Wyshak, G. T1 - Prevalence of primary infertility in China: In-depth analysis of infertility differentials in three minority province/autonomous regions Y1 - 2005 DO - 10.1017/S0021932003006461 JF - Journal of Biosocial Science VL - 37 IS - 1 ER -