Access to high-cost biological agents: perceptions of Brazilian patients with inflammatory bowel diseases - Parra, Rogério Serafim; Ferreira, Sandro da Costa; Machado, Vanessa Foresto; Nigro, Cintia Maura Caseiro; Rocha, José Joaquim Ribeiro da; Troncon, Luiz Ernesto de Almeida; Féres, Omar (Journal of Clinical Medicine, 2023)