@article{Ting2013,
author = {Ting, L. and Yang, C.Y. and Anderson, J.J.},
title= {Mortality increase in late-middle and early-old age: Heterogeneity in death processes as a new explanation},
year = {2013},
doi = {10.1007/s13524-013-0222-4},
journal = {Demography},
volume = {50},
number = {5},
pages = {1563--1591},
}