@article{ref1,
title="Selection of aircrew",
journal="Proceedings of the Royal Society of Medicine",
year="1950",
author="Parry, J. B.",
volume="43",
number="11",
pages="857-860",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-9157",
doi="",
url="http://dx.doi.org/"
}