Nutrition Support Therapy In Patients With Head And Neck And Upper Gastrointestinal Carcinoma In A Third Level Hospital. (April 2023) - Motilla, M.; Rivas, A.; Fraga, C.; Añez, R.; Bretón, I.; Serrano, C.; Camblor, M.; Velasco, C.; Arhip, L.; Carrascal, M.L.; Cuerda, C.