@article{ref1,
title="Ocular sports injuries. Economic considerations",
journal="International ophthalmology clinics",
year="1981",
author="Tolpin, H. G. and Vinger, Paul F. and Tolpin, D. W.",
volume="21",
number="4",
pages="179-201",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0020-8167",
doi="",
url="http://dx.doi.org/"
}