@article{Sauvaget1999,
author = {Sauvaget, C. and Tsuji, I. and Aonuma, T. and Hisamichi, S.},
title= {Health-life expectancy according to various functional levels},
year = {1999},
journal = {Journal of the American Geriatrics Society},
volume = {47},
number = {11},
pages = {1326--1331},
}