Rusdiana, .-., widjaja, S. S., daulay, M. H. and ginting, A. (2020) “Comparison of Different Clinical and Metabolic Parameters Among Type 2 Diabetic Patients With and Without Retinopathy in Primary Health Clinics in Medan City, North Sumatera, Indonesia”, Bangladesh Journal of Medicine, 31(2), pp. 64–68. doi: 10.3329/bjm.v31i2.48534.