Diagnostic techniques for the detection of fecal occult blood as markers of colorectal cancer. Ciencia y Salud Virtual, [S. l.], v. 12, n. 2, p. 102–112, 2020. DOI: 10.22519/21455333.1447. Disponível em: https://revistas.uninunez.edu.co/cienciaysalud/article/view/1447. Acesso em: 17 jun. 2026.