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