@article{ref1,
title="Physiological effects of an 18-hour flight in F-4c aircraft",
journal="Aerospace medicine",
year="1966",
author="Kramer, E. F. and Hale, H. B. and Williams, E. W.",
volume="37",
number="11",
pages="1095-1098",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}