Cost-utility and clinical impact of endoscopic screening for gastro-esophageal neoplasia in patients with head and neck neoplasms - Morais, R; Sousa, N; Afonso, J; Sousa-Pinto, B; Diogo, L M; Marinho, B; Sacramento, M L; Simplício, M; Faria-Ramos, I; Azevedo, L; Margarida, M; Silveira, H; Gullo, I; Carneiro, F; Santos-Antunes, J; Guilherme, M (Endoscopy, 2025)