TY - JOUR A1 - Zheng, H. A1 - Yang, Y. A1 - Land, K.C. T1 - Heterogeneity in the Strehler-Mildvan General Theory of Mortality and Aging Y1 - 2011 DO - 10.1007/s13524-011-0013-8 JF - Demography VL - 48 IS - 1 SP - 267 EP - -290 ER -