Chaikaew, Supatra, Natchaporn Pichainarong, Wisit Chaveepojnkamjorn, Piangchan Rojanavipart, and Petch Rawdaree. “Factors Associaed with Diabetic Retinopathy in Type 2 Diabetes”. Vajira Medical Journal : Journal of Urban Medicine 48, no. 2 (September 22, 2011): 97–106. accessed January 6, 2026. https://he02.tci-thaijo.org/index.php/VMED/article/view/232.