K. Mahmood, M. T. Khan, J. B. Y. Butt, T. Qureshi, and A. ul H. Ahmad, “Diode Laser Trans – Scleral Cyclo – ablation as a Primary Surgical Treatment for Primary Open – Angle Glaucoma after Maximum Tolerated Medical Therapy”, Annals KEMU, vol. 17, no. 2, p. 157, Sep. 2011.