GIUFFRIDA, G [ATRIOTENSIOGRAPHY ASSOCIATED WITH INTRACAVITARY ELECTROCARDIOGRAPHY IN DIAGNOSIS OF THE TYPE OF INTERATRIAL SEPTAL COMMUNICATION]. [electronic resource] - Bollettino della Societa italiana di cardiologia 1963 - 212-20 p. digital Publication Type: Journal Article ISSN: 0037-878X Subjects--Topical Terms: AdolescentBlood PressureCardiac CatheterizationElectrocardiographyHeart Septal DefectsHeart Septal Defects, AtrialHumans