@article{ref1,
title="Cost-effectiveness and cost-benefit analyses for public health programs",
journal="Public health reports (1896)",
year="1968",
author="Smith, W. F.",
volume="83",
number="11",
pages="899-906",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-6214",
doi="",
url="http://dx.doi.org/"
}