@article{Gill2005,
author = {Gill, T.M. and Allore, H. and Hardy, S.E. and Holford, T.R. and Han, L.},
title= {Estimates of active and disabled life expectancy based on different assessment intervals},
year = {2005},
URL = {http://biomed.gerontologyjournals.org/cgi/content/abstract/60/8/1013 },
journal = {The Journals of Gerontology Series A: Biological Sciences and Medical Sciences},
volume = {60A},
number = {8},
pages = {1013--1016},
}