@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}, pages = {159--175}, }