Eken, A., B. Soyupak, M. Acil, T. Arpaci, and T. Akbas. “Safety, Efficacy and Outcomes of the New GreenLight XPS 180W Laser System Compared to the GreenLight HPS 120W System for the Treatment of Benign Prostatic Hyperplasia in a Prospective Nonrandomized Single-Centre Study”. Canadian Urological Association Journal, vol. 9, no. 1-2, Feb. 2015, pp. e56-60, doi:10.5489/cuaj.2263.