TY - JOUR A1 - Valkonen, T. A1 - Van Poppel, F. T1 - The contribution of smoking to sex differences in life expectancy: Four Nordic countries and The Netherlands 1970-1989 Y1 - 1997 DO - 10.1093/eurpub/7.3.302 JF - European Journal of Public Health VL - 7 IS - 3 SP - 302 EP - -310 ER -