Sari, S.; Ozok, H. U.; Topaloglu, H.; Cakici, M. C.; Ozdemir, H.; Karakoyunlu, A. N.; Senturk, A. B.; Ersoy, H. The Association of a Number of Anatomical Factors With the Success of Retrograde Intrarenal Surgery in Lower Calyceal Stones. Urol J 2017, 14, 4008-4014.