@article{ref1,
title="Rapid protoporhyrin quantitation for detection of lead poisoning",
journal="Pediatrics",
year="1972",
author="Kammholz, L. P. and Thatcher, L. G. and Blodgett, F. M. and Good, T. A.",
volume="50",
number="4",
pages="625-631",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-4005",
doi="",
url="http://dx.doi.org/"
}