@article{ref1,
title="Porphyrins in urine as an indication of exposure to chlorinated hydrocarbons",
journal="Annals of the New York Academy of Sciences",
year="1987",
author="Strik, J. J.",
volume="514",
number="",
pages="219-221",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="",
url="http://dx.doi.org/"
}