@article{ref1,
title="Heavy metals--toxicity and environmental pollution",
journal="Advances in experimental medicine and biology",
year="1973",
author="Schubert, J.",
volume="40",
number="",
pages="239-297",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0065-2598",
doi="",
url="http://dx.doi.org/"
}