@article{ref1,
title="Pulmonary barotrauma in diving",
journal="Singapore medical journal",
year="1977",
author="How, J.",
volume="18",
number="1",
pages="57-61",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0037-5675",
doi="",
url="http://dx.doi.org/"
}