@article{ref1,
title="A need for population-based studies of health and safety risks in Canadian agriculture",
journal="CMAJ : Canadian Medical Association journal",
year="1991",
author="Zejda, J. E. and Semchuk, K. M. and McDuffie, H. H. and Dosman, James A.",
volume="145",
number="7",
pages="773-775",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0820-3946",
doi="",
url="http://dx.doi.org/"
}