Yarmohammadi, A., M. Mohamadzadeh Rezaei, B. Feizzadeh, and H. Ahmadnia. “Retrocaval Ureter: A Study of 13 Cases”. Urology Journal, vol. 3, no. 3, Feb. 2009, pp. 175-9, doi:10.22037/uj.v3i3.192.