@article{ref1,
title="Lead poisoning: a crisis of conscience",
journal="Medical annals of the District of Columbia",
year="1972",
author="Challop, R. S.",
volume="41",
number="9",
pages="561-563",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-6986",
doi="",
url="http://dx.doi.org/"
}