Fiorentino, E., F. Barbiera, P. Acquaro, G. Graceffa, F. Latteri, F. Scordato, and S. Vieni. 2004. “ESOPHAGEAL DIGITAL VIDEOFLUOROGRAPHY WITH WATER SIPHON TEST IN THE POST-OPE RATIVE EVALUATION OF THE ANTI-REFLUX LAPA ROSCOPIC SURGERY”. Annali Italiani Di Chirurgia 75 (3):339-44. https://annaliitalianidichirurgia.it/index.php/aic/article/view/3007.