@article{ref1,
title="The present space medicine effort at the School of Aviation Medicine",
journal="United States Armed Forces medical journal",
year="1959",
author="Campbell, P. A.",
volume="10",
number="4",
pages="392-397",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0566-0777",
doi="",
url="http://dx.doi.org/"
}