Portnoi, L M [Pneumoesophagotomography in the precise diagnosis of tumors and cicatricial strictures of the esophagus]. [electronic resource] - Vestnik rentgenologii i radiologii - 3-8 p. digital Publication Type: Journal Article ISSN: 0042-4676 Subjects--Topical Terms: AdolescentAdultAgedBurns, Chemical--diagnostic imagingCarcinoma, Squamous Cell--diagnostic imagingEsophageal Neoplasms--diagnostic imagingEsophageal Stenosis--diagnostic imagingFemaleHumansMethodsMiddle AgedPneumomediastinum, DiagnosticTomography, X-Ray