title: External assessment of left ventricular function after coronary vein bypass graft surgery.
mesh_terms: D000790:Angiocardiography; D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D010701:Phonocardiography