TY - JOUR A1 - Drozd-Lipińska, A. A1 - Klugier, E. A1 - Kamińska-Czakłosz, M.A. T1 - Socioeconomic differences in child mortality in central Poland at the end of the nineteenth century Y1 - 2015 DO - 10.1017/S0021932014000376 JF - Journal of Biosocial Science VL - 47 IS - 4 ER -