@article{ref1,
title="An epidemiologic study of cervical and trochanteric fractures of the femur in an urban population. Analysis of 1,664 cases with special reference to etiologic factors",
journal="Acta orthopaedica Scandinavica, Supplementum",
year="1964",
author="Alffram, P. A.",
volume="65",
number="",
pages="SUPPL 65:1-109",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0300-8827",
doi="",
url="http://dx.doi.org/"
}