@article{ref1,
title="Changes in bone mass in alcoholics",
journal="Clinical orthopaedics and related research",
year="1973",
author="Nilsson, B. E. and Westlin, N. E.",
volume="",
number="90",
pages="229-232",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-921X",
doi="",
url="http://dx.doi.org/"
}