title: [Improved intragastric pH measurement].
mesh_terms: D000818:Animals; D004285:Dogs; D004566:Electrodes; D005069:Evaluation Studies as Topic; D005745:Gastric Acidity Determination / Q000295:instrumentation*; D006863:Hydrogen-Ion Concentration; D014586:USSR
vernacular_title: Sovershenstvovanie vnutrizheludochnoĭ pH-metrii.