@article{ref1,
title="Placebo protects subjects from nonresponse: a paradox of power",
journal="Archives of general psychiatry",
year="2000",
author="Leon, A. C.",
volume="57",
number="4",
pages="329-330",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-990X",
doi="10.1001/archpsyc.57.4.329",
url="http://dx.doi.org/10.1001/archpsyc.57.4.329"
}