Guzel, O., C. Volkan Oztekin, M. Sungur, O. Ugurlu, O. Gokhan Doluoglu, N. Yilmaz, and M. Cetinkaya. “Effects of Tolterodine and Tamsulosin Combination on Sypmtoms and Bladder Outlet Obstruction in Patients With Benign Prostate Hyperplasia”. Annals of Medical Research, vol. 20, no. 1, May 2021, pp. 0012-8, http://www.annalsmedres.org/index.php/aomr/article/view/2102.