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LEVELS OF EVIDENCE

Sharma, Sanjay MD, MSc (epid), MBA

Evidence-Based Ophthalmology: April 2010 - Volume 11 - Issue 2 - p 73-74
doi: 10.1097/01.IEB.0000370571.54888.e1
Levels of Evidence
© 2010 Lippincott Williams & Wilkins, Inc.