@article{ref1,
title="Physical factors influencing the safety of the elderly",
journal="Occupational health nursing",
year="1971",
author="Swartz, F. C.",
volume="19",
number="2",
pages="7-10",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0029-7933",
doi="",
url="http://dx.doi.org/"
}