TY - JOUR A1 - Zeng, Y. A1 - Ping, T. A1 - Baochang, G. A1 - Yi, X. A1 - Bohua, L. A1 - Yongping, L. T1 - Causes and implications of the increase in China's reported sex ratio at birth Y1 - 1993 DO - 10.2307/2938438 JF - Population and Development Review VL - 19 IS - 2 SP - 283 EP - -302 ER -