Benerjee, Nirmalya, Kalpesh Parmar, and Kim Vaiphei. “Primary Signet-Ring Cell Carcinoma of the Urinary Bladder”. Autopsy and Case Reports 11 (April 22, 2021): e2021264. Accessed June 14, 2024. https://periodicos.usp.br/autopsy/article/view/184681.