P. İsmailoglu, E. Tanyeli, M. Üzel, A. İhsan Soyluoğlu, and G. K. Yıldırım, “Double Left Renal Vein Encircling the Aorta (Renal Collar) ”, Cerrahpaşa Medical Journal, vol. 44, no. 2, pp. 112–114, Apr. 2020.