@article{ref1,
title="Emergency contraception",
journal="Annals of internal medicine",
year="2003",
author="Miller, Douglas P.",
volume="138",
number="3",
pages="237-8; author reply 238",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-4819",
doi="",
url="http://dx.doi.org/"
}