@article{ref1,
title="The history of occupational injuries in the United States (1776--1976)",
journal="Journal of trauma",
year="1977",
author="Howard, Jamie M.",
volume="17",
number="6",
pages="411-418",
abstract="Abstract unavailable.",
language="",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}