@article{ref1,
title="Variations of illness incidence in the Navy population",
journal="Military medicine",
year="1972",
author="Pugh, W. M. and Gunderson, E. K. and Erickson, J. and Rahe, R. H. and Rubin, R. T.",
volume="137",
number="6",
pages="224-227",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}