@article{ref1,
title="Preventing dependency: Protective health services",
journal="American journal of public health",
year="1969",
author="Graber, J. B.",
volume="59",
number="8",
pages="1413-1427",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}