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American Journal of Epidemiology Advance Access originally published online on December 21, 2007
American Journal of Epidemiology 2008 167(4):500-501; doi:10.1093/aje/kwm372
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American Journal of Epidemiology © The Author 2007. Published by the Johns Hopkins Bloomberg School of Public Health. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org.

LETTERS TO THE EDITOR

RE: LETTER TO THE EDITOR ON "BIAS IN CLINICAL INTERVENTION RESEARCH"

Michael Marmor1,2, Ilana Belitskaya-Lévy1 and Alan A. Arslan1,3

1 Department of Environmental Medicine, New York University School of Medicine, New York, NY 10016-3240
2 Department of Medicine, New York University School of Medicine, New York, NY 10016-3240
3 Department of Obstetrics and Gynecology, New York University School of Medicine, New York, NY 10016-3240

(e-mail: michael.marmor@med.nyu.edu)

The first 10% of the full text of this article appears below.

Hemilä's letter (1) regarding Gluud's review article (2) asserted that "... there is no evidence of large and universal placebo effects" (1, p. 1219). Because Gluud's review focused on biases in intervention research generally, Hemilä's letter implies that placebos and the maintenance of blinding may not be critical to intervention research. Yet, Hróbjartsson and Gøtzsche's article (3), . . . [Full Text of this Article]


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