@article{ref1,
title="Occupational injuries and deaths among loggers, United States",
journal="Morbidity and mortality weekly report. Surveillance summaries : MMWR / Centers for Disease Control",
year="1983",
author="Coleman, P. J. and Mullan, R. J. and Frazier, T. M.",
volume="32",
number="3",
pages="31SS-6SS",
abstract="Abstract unavailable.",
language="en",
issn="0892-3787",
doi="",
url="http://dx.doi.org/"
}