@article{ref1,
title="Re: "Case-control study of the effectiveness of different types of helmets for the prevention of head injuries among motorcycle riders in Taipei, Taiwan"",
journal="American journal of epidemiology",
year="1996",
author="Povey, WG and Arsenault, G",
volume="144",
number="7",
pages="709-710",
abstract="Abstract unavailable.",
language="",
issn="0002-9262",
doi="",
url="http://dx.doi.org/"
}