Hoai Viet Tran, et al. “Posterior Sub-Tenon Triamcinolone Injection for Chronic Macular Oedema Associated With Non-Ischemic Branch or Central Retinal Vein Occlusion”. The Ophthalmology, Dec. 2015, pp. 9-14, https://openventio.us/index.php/TOOJ/article/view/1346.