Sarpal, R., M. Goyal, P. Pathak, R. Ganesamoni, and R. B. Sabnis. “Preventive Role of Aminophylline on Renal Vascular Changes Among Shock Wave Lithotripsy Patients”. International Surgery Journal, vol. 5, no. 3, Feb. 2018, pp. 860-3, doi:10.18203/2349-2902.isj20180435.