MURAT KORKMAZ; HAKAN ÜNAL; HALDUN SELÇUK; UĞUR YILMAZ. Extraordinarily elevated serum levels of CA 19-9 and rapid decrease after succesfull therapy: A case report and review of literature. Turkish Journal of Gastroenterology, [S. l.], v. 21, n. 4, p. 461–463, 2019. Disponível em: https://tjg.avesjournals.com/index.php/tjg/article/view/2377. Acesso em: 17 jul. 2025.