Z. X. Ng, K. H. Chua, I. Tajunisah, R. Pendek, and U. R. Kuppusamy, “ Attenuated levels of pro-inflammatory markers in diabetic retinopathy patients undergoing treatment with antihyperglycemic and antihypertensive drugs ”, Clinics, vol. 68, no. 2, pp. 185–193, Jan. 2013, doi: 10.6061/CLINICS/2013(02)OA11.