Clinical Value of Serum Cancer Antigen 19-9 as a Tumor Screening Marker among Healthy Individuals. Journal of Medicine, [S. l.], v. 20, n. 2, p. 92–94, 2019. DOI: 10.3329/jom.v20i2.42009. Disponível em: https://banglajol.info/index.php/JOM/article/view/42009. Acesso em: 10 jul. 2026.