Sazonov, A M [Use of gastrointestinal endoscopy in Itsenko-Cushing disease and hyperparathyroidism]. [electronic resource] - Klinicheskaia meditsina May 1981 - 55-8 p. digital Publication Type: Journal Article ISSN: 0023-2149 Subjects--Topical Terms: Cholangiopancreatography, Endoscopic RetrogradeCushing Syndrome--diagnosisDuodenoscopy--methodsEsophagoscopyFiber Optic TechnologyGastroscopy--methodsHumansHyperparathyroidism--diagnosis