@article{ref1,
title="When should you warn a patient against scuba diving?",
journal="Medical times",
year="1977",
author="Mayer, B. W.",
volume="105",
number="7",
pages="72-77",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-7583",
doi="",
url="http://dx.doi.org/"
}