SIREGAR, Lianda; LOHO, Imelda M; WASPODO, Agus Sudiro; REJEKI, Dwi Sri; FIRSYADA, Fajar; SWADARI, Rahmanandika; NANDIKA, Getty Inash; SIREGAR, Muhammad Iqbal. Signet-Ring Cell Carcinoma of the Ampulla of Vater. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, [S. l.], v. 19, n. 2, p. 126–129, 2020. DOI: 10.24871/1922018126-129. Disponível em: https://ina-jghe.com/index.php/jghe/article/view/672. Acesso em: 24 oct. 2026.