@article{99ac1101dd084d18984d0d2061d83d19,
title = "The estimation of relative fitness and frailty in community-dwelling older adults using self-report data",
author = "Mitnitski, {Arnold B.} and Xiaowei Song and Kenneth Rockwood",
year = "2004",
month = jun,
doi = "10.1093/gerona/59.6.m627",
language = "English",
volume = "59",
pages = "627--632",
journal = "Journals of Gerontology - Series A Biological Sciences and Medical Sciences",
issn = "1079-5006",
publisher = "Oxford University Press",
number = "6",
}