@article{ref1,
title="Global Spine and Head Injury Prevention (SHIP) Project",
journal="Journal of trauma",
year="1993",
author="LaPorte, Ronald E. and Chiu, Wai Tat",
volume="35",
number="6",
pages="969-970",
abstract="Abstract unavailable.",
language="",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}