TY - JOUR A1 - Lee, J.Z. A1 - Feng, W. A1 - Campbell, C. T1 - Infant and child mortality among the Qing nobility: Implications for two types of positive check Y1 - 1994 DO - 10.1080/0032472031000147936 JF - Population Studies VL - 48 IS - 3 ER -