Yang, K., X.-Y. Zheng, Y.-L. Wang, and K. Zhao. “Alpha-Fetoprotein and Carbohydrate Antigen 19-9 Producing Advanced Adenocarcinoma of Renal Pelvis and Ureter”. Canadian Urological Association Journal, vol. 7, no. 11-12, Nov. 2013, pp. e750-3, doi:10.5489/cuaj.1544.