@article{ref1,
title="Testing poor pregnant patients for cocaine--physicians as police investigators",
journal="New England journal of medicine",
year="2001",
author="Annas, G. J.",
volume="344",
number="22",
pages="1729-1732",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-4793",
doi="10.1056/NEJM200105313442219",
url="http://dx.doi.org/10.1056/NEJM200105313442219"
}