@article{Cai2007,
author = {Cai, L. and Lubitz, J.},
title= {Was there compression of disability for older Americans from 1992 to 2003?},
year = {2007},
doi = {10.1353/dem.2007.0022},
journal = {Demography},
volume = {44},
number = {3},
pages = {479--495},
}