Cross-cultural adaptation of the PHQ-4 to European Portuguese and its validation with the psychological burden by the multimorbidity management in GP/FM practice in Central Portugal. Rev Port Med Geral Fam [Internet]. 30 de Abril de 2024 [citado 9 de Março de 2025];40(2):138-46. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/13655