@article{Crimmins1994,
author = {Crimmins, E.M. and Hayward, M.D. and Saito, Y.},
title= {Changing mortality and morbidity rates and the health status and life expectancy of the older population},
year = {1994},
doi = {10.2307/2061913},
journal = {Demography},
volume = {31},
number = {1},
pages = {159--175},
}