@article{ref1,
title="Safety Helmets",
journal="British medical journal: BMJ",
year="1955",
author="Falkner, F.",
volume="2",
number="4951",
pages="1329-1329",
abstract="<p>About the wearing of motorcycle helmets among adults and their child passengers.</p>",
language="",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}