1. A study of 52 cases of adenocarcinoma of the bladder;Thomas;Br J Urol,1971
2. Saphir O. Signet-ring cell carcinoma of the urinary bladder. Am J Pathol. 1955;31(2):223-231.
3. Adenocarcinoma of the urinary bladder;Roy;Arch Pathol Lab Med,2011
4. Multidisciplinary management of primary signet-ring cell adenocarcinoma of the urinary bladder and the specific role of adjuvant radiotherapy;Reddy;Journal of Radiation Oncology,2013
5. Piana P, A Giammo. Primary signet-ring-cell carcinoma of the bladder. Description of a case and review of the literature. Minerva Urol Nefrol. 1997;49(3):161-164.