@article{ref1,
title="Lifting injuries in ambulance crews",
journal="Public health",
year="1975",
author="Leyshon, G. E. and Francis, H. W.",
volume="89",
number="2",
pages="71-75",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-3506",
doi="",
url="http://dx.doi.org/"
}