@article{ref1,
title="Scuba diving. II. Deep diving",
journal="Medical times",
year="1968",
author="Snyder, M. A.",
volume="96",
number="9",
pages="865-870",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-7583",
doi="",
url="http://dx.doi.org/"
}