@article{ref1,
title="The early development of aviation medicine in the United States",
journal="Aviation, space, and environmental medicine",
year="1979",
author="Wilmer, W. H.",
volume="50",
number="5",
pages="459-467",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-6562",
doi="",
url="http://dx.doi.org/"
}