Quality assurance in the diabetic retinopathy screening programme: evaluating the benefit of universal regrading of the normal primary grade

R. S. Manjunatha, N. P. Manjunatha, V. Baskar, M. P. Headon, B. M. Singh and A. K. Viswanath

Diabetic Medicine 29 ( 2 ): 287 - 288 , 2012