Fernando, D.J.S.Siribaddana, S.H.Subasinghe, Z.Chandrika, H.G.M.2013-11-272013-11-271994Journal of the Ceylon College of Physicians, 27:p.49-52https://dl.nsf.gov.lk/handle/1/10009Medical SciencesDiabetic retinopathyScreeningEconomic analysisThe costs of screening for diabetic retinopathy at a diabetic clinicA