TY - JOUR A1 - Kołodziej, H. A1 - Łopuszańska, M. A1 - Jankowska, E. T1 - Decrease in sex difference in premature mortality during system transformation in Poland Y1 - 2008 DO - 10.1017/S0021932007002453 JF - Journal of Biosocial Science VL - 40 SP - 297 EP - -312 ER -