TY - CHAP A1 - Crimmins, E.M. A1 - Preston, S.H. A1 - Cohen, B. T1 - Introduction and overview Y1 - 2011 A3 - Crimmins, E.M. A3 - Preston, S.H. A3 - Cohen, B. T2 - International Differences in Mortality at Older Ages: Dimensions and Source CY - Washington, D.C PB - The National Academies Press SP - 1 EP - -13 ER -