title: Response to "The clinical significance of a prolonged stable pH around 4.0 in 24-H pH monitoring".
mesh_terms: D001471:Barrett Esophagus / Q000503:physiopathology*; D002648:Child; D004941:Esophagitis / Q000503:physiopathology*; D005744:Gastric Acid; D005745:Gastric Acidity Determination; D006801:Humans; D006863:Hydrogen-Ion Concentration