@article{ref1,
title="Obstructive sleep apnoea in adults",
journal="British medical journal: BMJ",
year="2009",
author="West, S. D. and McBeath, Helen A. and Stradling, J. R.",
volume="338",
number="",
pages="b1165-b1165",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}