Design and Application of a Radiofrequency Spectrophotometry Sensor for Measuring Esophageal Liquid Flow to Detect Gastroesophageal Reflux. - Fito, Pedro J.; Colom, Ricardo J.; Gadea-Girones, Rafael; Monzo, Jose M.; Tebar-Ruiz, Angel; Puertas, F. Javier; Castro-Giraldez, Marta (Sensors (14248220), 2025)