TY - JOUR A1 - Thun, M.J. A1 - Day-Lally, C.A. A1 - Calle, E.E. A1 - Flanders, W.D. A1 - Heath, C.W. T1 - Excess mortality among cigarette smokers: Changes in a 20-year interval Y1 - 1995 DO - 10.2105/ajph.85.9.1223 JF - American Journal of Public Health VL - 85 IS - 9 SP - 1223 EP - -1230 ER -