@article{ref1,
title="Drug abuse among American soldiers in West Germany",
journal="Military medicine",
year="1972",
author="Tennant, F. S. Jr and Preble, M. R. and Groesbeck, C. J. and Banks, N. I.",
volume="137",
number="10",
pages="381-383",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}