KOLODZIEJCZAK, Malgorzata; SUDOL - SZOPINSKA, Iwona. The usefulness of transrectal endosonography in differentiating an anal abscess from a rectal carcinoma. A case report. Radiology and Oncology, [S. l.], v. 39, n. 4, 2005. Disponível em: https://www.radioloncol.com/index.php/ro/article/view/1281. Acesso em: 24 dec. 2025.