@article{ref1,
title="Health safety bingo",
journal="Health education",
year="1984",
author="Heilig, R. S.",
volume="15",
number="3",
pages="38-39",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0097-0050",
doi="",
url="http://dx.doi.org/"
}