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Letters
A cautious approach to interpreting retrospective data
- Correspondence to Dr Kamron N Khan PhD, Department of ophthalmology, Leeds Institute of Molecular Medicine, Leeds ls97tf, UK; medknk{at}leeds.ac.uk
Citation
A cautious approach to interpreting retrospective data
Publication history
- Received July 21, 2013
- Accepted July 24, 2013
- First published August 21, 2013.
Online issue publication
September 18, 2013
Article Versions
- Previous version (21 August 2013).
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