title: [Characteristics of heart performance in unstable angina].
authors.forename: E S
authors.initials: ES
authors.lastname: V'iuchnova
authors.forename: L P
authors.initials: LP
authors.lastname: Vorob'ev
authors.forename: I V
authors.initials: IV
authors.lastname: Maev
mesh_terms: D000789:Angina, Unstable / Q000503:physiopathology*; D003097:Collateral Circulation; D003326:Coronary Circulation; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006439:Hemodynamics; D006801:Humans; D009200:Myocardial Contraction
vernacular_title: Osobennosti deiatel'nosti serdtsa pri nestabil'noĭ stenokardii.