title: Doubt on pH-metry as an absolute gold standard for measuring acid gastroesophageal reflux.
authors.forename: G S
authors.initials: GS
authors.lastname: Mela
authors.forename: V
authors.initials: V
authors.lastname: Savarino
mesh_terms: D005764:Gastroesophageal Reflux / Q000175:diagnosis*; D006801:Humans; D006859:Hydrogen / Q000378:metabolism*; D008991:Monitoring, Physiologic / Q000295:instrumentation / Q000592:standards; D015203:Reproducibility of Results
chemical_list: D006859:Hydrogen