@article{ref1,
title="Mortality and morbidity from injuries in sports and recreation",
journal="Annual review of public health",
year="1984",
author="Conroy, Carol and Kraus, Jess Frank",
volume="5",
number="",
pages="163-192",
abstract="Abstract unavailable.",
language="",
issn="0163-7525",
doi="10.1146/annurev.pu.05.050184.001115",
url="http://dx.doi.org/10.1146/annurev.pu.05.050184.001115"
}