@article{ref1,
title="Vietnam combat veterans: from perpetrator to victim",
journal="Family and community health",
year="1983",
author="Levenberg, S. B.",
volume="5",
number="4",
pages="69-76",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0160-6379",
doi="",
url="http://dx.doi.org/"
}