@article{ref1,
title="An improved model for analysis of the value of mass screening for data base acquisition: application to a military family practice residency",
journal="Military medicine",
year="1980",
author="Howatt, J. W. and Drigger, D. A. and Hicken, S. L.",
volume="145",
number="11",
pages="761-765",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}