@article{ref1,
title="Re: "Caffeine and the risk of hip fracture: the Framingham Study"",
journal="American journal of epidemiology",
year="1991",
author="Barger-Lux, M. J.",
volume="133",
number="6",
pages="629-631",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9262",
doi="",
url="http://dx.doi.org/"
}