@article{ref1,
title="Classification of ankle fractures: which system to use?",
journal="Instructional course lectures",
year="1988",
author="Walling, A. K.",
volume="37",
number="",
pages="251-256",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0065-6895",
doi="",
url="http://dx.doi.org/"
}