@article{ref1,
title="Is the anxiety over metallic poisoning well-founded?",
journal="Dentistische Rundschau",
year="1950",
author="Hennicke, A.",
volume="5",
number="6",
pages="16-18",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="",
doi="",
url="http://dx.doi.org/"
}