Factors influencing organized populational screening for colorectal cancer in the Lisbon and Tagus Valley Health Region: a six-year analysis of demographic and organizational influences. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 41, n. 6, p. 560–8, 2026. DOI: 10.32385/rpmgf.v41i6.14060. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/14060. Acesso em: 17 apr. 2026.