@article{ref1,
title="Old age, deficient nutrition and fracture of the femur neck in the light of statistics",
journal="Zentralblatt fur Chirurgie",
year="1952",
author="Hohle, P. G.",
volume="77",
number="46",
pages="2299-2302",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0044-409X",
doi="",
url="http://dx.doi.org/"
}