@article{ref1,
title="Swimming and grommets",
journal="British medical journal: BMJ",
year="1992",
author="Pringle, M. B.",
volume="304",
number="6821",
pages="198-198",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}