@article{Yang2003,
author = {Yang, Z. and Norton, E.C.  and Stearns, S.C.},
title= {Longevity and health care expenditures: The real reasons older people spend more},
year = {2003},
journal = {Journals of Gerontology Series B-Psychological Sciences and Social Sciences},
volume = {58},
number = {1},
pages = {S2--S10},
}