@article{ref1,
title="The pesticides problem in Puerto Rico",
journal="Industrial medicine and surgery",
year="1968",
author="Villares, E. J.",
volume="37",
number="7",
pages="518-518",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0019-8536",
doi="",
url="http://dx.doi.org/"
}