@article{ref1,
title="Osteoporosis",
journal="Lancet",
year="1955",
author="Cooke, A. M.",
volume="268",
number="6870",
pages="877-82; contd",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}