@article{ref1,
title="Fractured femur and embolism",
journal="British medical journal: BMJ",
year="1971",
author="Smyth, E.",
volume="3",
number="5768",
pages="249-249",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}