@article{ref1,
title="Correlation between toxicity of heavy metals and various food components",
journal="Pediatria Polska",
year="1979",
author="Szczepański, Z. and Krol, J.",
volume="54",
number="9",
pages="1077-1080",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0031-3939",
doi="",
url="http://dx.doi.org/"
}