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Were the groups in the trabeculectomy versus Ahmed valve study really comparable?
- Correspondence to Dr Omar Mahroo, Department of Ophthalmology, St Thomas' Hospital, Westminster Bridge Road, London SE1 7EH, UK; oarm2{at}cam.ac.uk
Citation
Were the groups in the trabeculectomy versus Ahmed valve study really comparable?
Publication history
- Accepted December 15, 2009
- First published October 20, 2010.
Online issue publication
March 22, 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.