A randomized clinical trial of metacognitive therapy and nortriptyline for anxiety, depression, and difficulties in emotion regulation of patients with functional dyspepsia. Research in Psychotherapy: Psychopathology, Process and Outcome, [S. l.], v. 23, n. 2, 2020. DOI: 10.4081/ripppo.2020.448. Disponível em: https://www.researchinpsychotherapy.org/rpsy/article/view/448. Acesso em: 19 jun. 2025.