title: [Isolated defect of the interventricular septum in old persons].
mesh_terms: D000367:Age Factors; D000368:Aged; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis*; D006801:Humans; D008297:Male
vernacular_title: Izolirovannyĭ defekt mezhzheludochkovoĭ peregorodki u bol'nykh pozhilogo vozrasta.