@article{ref1,
title="Toxicity and ophthalmic drugs",
journal="Survey of Ophthalmology",
year="1969",
author="Shell, J. W. and Eriksen, S. P.",
volume="13",
number="4",
pages="215-218",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0039-6257",
doi="",
url="http://dx.doi.org/"
}