Article info
PostScript
Letter
Case–control or cohort study?
- Correspondence to Ashutosh Tamhane, 1665 University blvd, RPHB 514-A, Birmingham, AL 35294, USA; tamhane{at}uab.edu
Citation
Case–control or cohort study?
Publication history
- Accepted March 8, 2011
- First published March 22, 2011.
Online issue publication
July 18, 2011
Article Versions
- Previous version (22 March 2011).
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© 2011, Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.