Kongprayoon, Apinpat, and Tanapat Ratanapakorn. “Prevalence of Diabetic Retinopathy in Srinagarind Hospital”. Srinagarind Medical Journal 30, no. 5 (October 5, 2015): 79. Accessed March 29, 2024. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/40063.