@article{ref1,
title="Manganese poisoning",
journal="Industrial medicine and surgery",
year="1956",
author="Penalver, R.",
volume="25",
number="4",
pages="190-190",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0019-8536",
doi="",
url="http://dx.doi.org/"
}