@article{ref1,
title="When did family planning become a risky proposition?",
journal="Contraception",
year="2011",
author="O'Brien, Jon",
volume="85",
number="5",
pages="519-519",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0010-7824",
doi="10.1016/j.contraception.2011.09.009",
url="http://dx.doi.org/10.1016/j.contraception.2011.09.009"
}