@article{ref1,
title="Relationship of physical health status and health practices",
journal="Preventive medicine",
year="1972",
author="Belloc, N. B. and Breslow, L.",
volume="1",
number="3",
pages="409-421",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0091-7435",
doi="",
url="http://dx.doi.org/"
}