@article{ref1,
title="The hip is a large ball and socket joint which is surrounded by massive muscles and ligaments",
journal="Clinical orthopaedics and related research",
year="2001",
author="Shabat, S. and Kish, B. and Stern, A. and Nyska, M.",
volume="",
number="382",
pages="282-282",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-921X",
doi="",
url="http://dx.doi.org/"
}