@article{ref1,
title="Behavioral research and strategies in public health: a demur",
journal="Social Science and Medicine (1967)",
year="1975",
author="Robertson, Leon S.",
volume="9",
number="3",
pages="165-170",
abstract="Abstract unavailable.",
language="",
issn="0037-7856",
doi="",
url="http://dx.doi.org/"
}