title: Assessment of intragastric acidity in man: modern aspects and reproducibility of intragastric pH monitoring.
authors.forename: H S
authors.initials: HS
authors.lastname: Merki
mesh_terms: D004566:Electrodes; D005745:Gastric Acidity Determination; D006801:Humans; D008991:Monitoring, Physiologic / Q000379:methods*; D013396:Suction