@article{ref1,
title="Incidence of fractures, particularly of the neck of the femur, in patients in mental hospitals",
journal="British journal of preventive and social medicine",
year="1964",
author="Seddon, H. J. and Knowelden, J. and Leitch, I. H.",
volume="18",
number="",
pages="142-145",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1242",
doi="",
url="http://dx.doi.org/"
}