@article{Freedman2004,
author = {Freedman, V.A. and Crimmins, E. and Schoeni, R.F. and Spillmann, B.C. and Aykan, H. and Kramarow, E. and Land, K. and Lubitz, J. and Manton, K. and Martin, L.G. and Shinberg, D. and Waidman, T.},
title= {Resolving inconsistencies in trends in old-age disability: Report from a technical working group},
year = {2004},
doi = {10.1353/dem.2004.0022},
journal = {Demography},
volume = {41},
number = {3},
pages = {417--441},
}