Cancer of the colon and rectum: Coverage rate of screening and associated factors. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 27, n. 3, p. 290–5, 2011. DOI: 10.32385/rpmgf.v27i3.10856. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10856. Acesso em: 18 apr. 2026.