@article{ref1,
title="Machines and microbes. Still serious hazards to youths on the farm",
journal="American journal of diseases of children (1960)",
year="1990",
author="Rhodes, K. H. and Brennan, S. R. and Peterson, H. A.",
volume="144",
number="6",
pages="707-709",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-922X",
doi="",
url="http://dx.doi.org/"
}