OFFICE, Editorial. Undefined sonographic object : polyarteritis nodosa case. Turkish Journal of Gastroenterology, [S. l.], v. 12, n. 3, p. 245–246, 2001. Disponível em: https://turkjgastroenterol.org/index.php/tjg/article/view/1162. Acesso em: 1 jan. 2026.