@article{ref1,
title="Is there an epidemiology of mental disease?",
journal="American journal of public health",
year="1938",
author="Elkind, HB",
volume="28",
number="3",
pages="245-250",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}