@article{ref1,
title="Does health education provide a good return on investment? One HMO's experience with an infant car safety program",
journal="Group Health journal",
year="1982",
author="Ershoff, D. and Wasserman, F.",
volume="3",
number="2",
pages="4-14",
abstract="Abstract unavailable.",
language="",
issn="0196-6332",
doi="",
url="http://dx.doi.org/"
}