@article{ref1,
title="Studies on the acute toxic action of phthalates used in the production of plastics",
journal="Medycyna pracy",
year="1965",
author="Kowalski, Z. and Bassendowska, E.",
volume="16",
number="",
pages="109-112",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0465-5893",
doi="",
url="http://dx.doi.org/"
}