ALPER BOZ; OSMAN EVLİYAOĞLU; MEHMET YILDIRIM; NAZIF ERKAN; BAYSAL KARACA. The value of serum zinc, copper, ceruloplasmin levels in patients with gastrointestinal tract cancers. Turkish Journal of Gastroenterology, [S. l.], v. 16, n. 2, p. 81–84, 2019. Disponível em: https://tjg.avesjournals.com/index.php/tjg/article/view/1962. Acesso em: 16 jul. 2025.