@article{ref1,
title="A comparison between two diagnostic tests for lead poisoning",
journal="American journal of public health",
year="1972",
author="Blumenthal, S. and Davidow, B. and Harris, D. and Oliver-Smith, F.",
volume="62",
number="8",
pages="1060-1064",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}