@article{ref1,
title="Role of medical factors in 1000 fatal aviation accidents: case note study",
journal="British medical journal: BMJ",
year="1997",
author="Cullen, S. A. and Drysdale, H. C. and Mayes, R. W.",
volume="314",
number="7094",
pages="1592-1592",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}