Venkatesh, R., N. Reddy, C. Jayadev, R. S. Pulipaka, N. K. Yadav, and T. M. Basavaraj. “Proliferative Diabetic Retinopathy Detection: Comparison of Clinical Examination, Optomap Photographs and Fluorescein Angiography”. Nepalese Journal of Ophthalmology, vol. 14, no. 2, Dec. 2022, pp. 86-96, doi:10.3126/nepjoph.v14i2.39516.