@article{ref1,
title="The Burma-Shave safety signs: History and lessons for health education",
journal="American journal of health promotion",
year="1991",
author="Jekel, J. F.",
volume="6",
number="1",
pages="5-7",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0890-1171",
doi="",
url="http://dx.doi.org/"
}