Indian J Ophthalmol. 2021 Nov;69(11):3026-3034. doi: 10.4103/ijo.IJO_1525_21.
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Proposed international clinical diabetic retinopathy and diabetic macular edema disease severity scales.
Wilkinson CP, Ferris FL 3rd, Klein RE, Lee PP, Agardh CD, Davis M, Dills D, Kampik A, Pararajasegaram R, Verdaguer JT; Global Diabetic Retinopathy Project Group.