IAKOVLEV, G M [A TECHNIC AND DIAGNOSTIC EVALUATION OF GASTRIC ACIDITY DETERMINATION USING ION-EXCHANGE RESINS]. [electronic resource] - Laboratornoe delo 1964 - 474-7 p. digital Publication Type: Journal Article ISSN: 0023-6748 Subjects--Topical Terms: Gastric Acidity DeterminationIon Exchange Resins