@article{ref1,
title="Could your practice benefit from the Hawthorne effect?",
journal="Veterinary medicine, small animal clinician",
year="1977",
author="Levoy, R. P.",
volume="72",
number="5",
pages="942-943",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0042-4889",
doi="",
url="http://dx.doi.org/"
}