Sibirkin, N V [The level of residual nitrogen in the stomach contents of patients with cholecystitis]. [electronic resource] - Terapevticheskii arkhiv Jan 1966 - 72-4 p. digital Publication Type: Journal Article ISSN: 0040-3660 Subjects--Topical Terms: Cholecystitis--complicationsGastric Juice--analysisGastritis--complicationsGiardiasis--complicationsHumansNitrogen--analysis