A. Khurana, U. Chawla, N. Passi, A. Jyoti, A. Archana, and A. Yogesh, “A comparative study of combined small-incision cataract surgery with sutureless trabeculectomy versus trabeculectomy using W-shaped incision”, Nep J Oph, vol. 3, no. 1, pp. 13–18, Feb. 2011.