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Methodology
Bypassing the selection rule in choosing controls for a case–control study
- Correspondence to Professor Keith Palmer, MRC Lifecourse Epidemiology Unit, Southampton General Hospital, Tremona Road, Southampton SO16 6YD, UK; ktp{at}mrc.soton.ac.uk
Citation
Bypassing the selection rule in choosing controls for a case–control study
Publication history
- Accepted January 17, 2010
- First published September 23, 2010.
Online issue publication
April 27, 2016
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© 2010, 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.