title: PPI-Refractory GERD: an Intriguing, Probably Overestimated, Phenomenon.
authors.affiliation: Center for the Study of Diseases of the Esophagus, University of Bologna, Bologna, Italy, fa.baldi@libero.it.
authors.forename: Fabio
authors.initials: F
authors.lastname: Baldi
mesh_terms: D004351:Drug Resistance; D005764:Gastroesophageal Reflux / Q000175:diagnosis / Q000188:drug therapy*; D006801:Humans; D054328:Proton Pump Inhibitors / Q000627:therapeutic use*
chemical_list: D054328:Proton Pump Inhibitors