@article{ref1,
title="Incidence of fractures of the proximal end of the femur in Jerusalem. A study of ethnic factors",
journal="Journal of bone and joint surgery: American volume",
year="1970",
author="Levine, S. and Makin, M. and Menczel, J. and Robin, G. and Naor, E. and Steinberg, R.",
volume="52",
number="6",
pages="1193-1202",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9355",
doi="",
url="http://dx.doi.org/"
}