@article{ref1,
title="Age and sex incidence of ankle fractures",
journal="Acta orthopaedica Scandinavica",
year="1969",
author="Nilsson, B. E.",
volume="40",
number="1",
pages="122-129",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6470",
doi="",
url="http://dx.doi.org/"
}