@article{ref1,
title="Aircraft accidents-incidents among aircrewmen flying with medical waiver",
journal="Aerospace medicine",
year="1972",
author="Rayman, R. B.",
volume="43",
number="11",
pages="1265-1269",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}