@article{ref1,
title="Occupational injuries in the meatpacking industry, United States, 1976-1981",
journal="Morbidity and mortality weekly report. Surveillance summaries : MMWR / Centers for Disease Control",
year="1985",
author="Mahaffey, K. R. and Leffingwell, S. and Pezaro, A.",
volume="34",
number="1",
pages="29SS-32SS",
abstract="Abstract unavailable.",
language="en",
issn="0892-3787",
doi="",
url="http://dx.doi.org/"
}