High Grade Infiltrative Urothelial Carcinoma- Sarcomatoid Variant, A Rare Entity: Case Report And Review of Literature. Global Journal of Medical Research, [S. l.], v. 14, n. C7, p. 7–11, 2014. Disponível em: https://medicalresearchjournal.org/index.php/GJMR/article/view/762. Acesso em: 13 aug. 2026.