Victor, Andi A., et al. “Effect of Laser Photocoagulation and Bevacizumab Intravitreal in Proliferative Diabetic Retinopathy: Review on Biomarkers of Oxidative Stress”. Medical Journal of Indonesia, vol. 23, no. 2, June 2014, pp. 79-86, doi:10.13181/mji.v23i2.756.