Vyas, Shyam, et al. “Anatomical and Visual Outcome of Intravitreal Bevacizumab (Avastin) in Patients With Diabetic Macular Edema”. Nepalese Journal of Ophthalmology, vol. 8, no. 1, Dec. 2016, pp. 54-61, doi:10.3126/nepjoph.v8i1.16157.