@article{ref1,
title="External diseases of the eye",
journal="American journal of optometry and archives of American Academy of Optometry",
year="1973",
author="Sloan, P. G.",
volume="50",
number="4",
pages="331-340",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9408",
doi="",
url="http://dx.doi.org/"
}