@article{ref1,
title="Physiology of changes in pressure",
journal="Annals of occupational hygiene",
year="1968",
author="Macmillan, A. J.",
volume="11",
number="4",
pages="321-328",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-4878",
doi="",
url="http://dx.doi.org/"
}