Comment on "impairment of chemical clearance is relevant to the pathogenesis of refractory reflux oesophagitis" by Marzio Frazzoni et al. [Digestive and Liver Disease 2014;46:596-602]
1 Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy. Electronic address: [email protected].
2 Gastroenterology Unit, Department of Internal Medicine, University of Genoa, Genoa, Italy.
3 Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy.