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- Peer reviewed
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- Elsevier Inc. Publisher's website
- Journal of clinical epidemiology Journal website
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- Schulz et al.
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- © 2010 Schulz et al. Published by Elsevier Inc. All rights reserved. This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non-commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.
CONSORT 2010 Statement: Updated guidelines for reporting parallel group randomised trials.
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