@article{ref1,
title="Tractor driyers' complaints",
journal="Minnesota medicine",
year="1949",
author="Paulson, E. C.",
volume="32",
number="4",
pages="386-386",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-556X",
doi="",
url="http://dx.doi.org/"
}