@article{ref1,
title="Tympanic membrane perforations",
journal="Eye, ear, nose, and throat monthly",
year="1958",
author="Elia, J. C.",
volume="37",
number="9",
pages="575-584",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0014-5491",
doi="",
url="http://dx.doi.org/"
}