Dada, T, S J Bali, S Mohan, S Bhartiya, A Sobti, and A Panda. 2012. “Trypan Blue Staining of Filtering Bleb in Eyes With Operated Trabeculectomy”. Nepalese Journal of Ophthalmology 4 (2):224-29. https://doi.org/10.3126/nepjoph.v4i2.6536.