@article{ref1,
title="Recurrent posttraumatic dislocation of the hip in children",
journal="Southern medical journal",
year="1972",
author="Simmons, R. L. and Elder, J. D.",
volume="65",
number="12",
pages="1463-1466",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-4348",
doi="",
url="http://dx.doi.org/"
}