S. Gulab, Z. A. Khoso, M. N. Ibrahim, T. M. Laghari, S. H. Ahmed, and J. Raza, “Diabetic Retinopathy in Children with Type I Diabetes Mellitus at A Tertiary Care Center Karachi, Pakistan”, J Liaq Uni Med Health Sci, vol. 19, no. 04, pp. 257–260, Dec. 2020.