@article{ref1,
title="Mayhew Derryberry: pioneer of health education",
journal="American journal of public health",
year="2004",
author="Sleet, David A. and Allegrante, J. P. and McGinnis, J. M.",
volume="94",
number="3",
pages="370-371",
abstract="Abstract unavailable",
language="",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}