@article{ref1,
title="Psychiatric screening of ground-crew in the Royal Canadian Air Force",
journal="Canadian services medical journal",
year="1957",
author="Preston, J. H.",
volume="13",
number="10",
pages="659-663",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}