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. 2015 Jun 5;5(6):e007527. doi: 10.1136/bmjopen-2014-007527

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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

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Probability that each treatment is the most efficacious in the study network. BCVA assessed in terms of ETDRS letters. BCVA, best corrected visual acuity; ETDRS, Early Treatment Diabetic Retinopathy Study; PRN, pro re nata (as needed).