title: Editorial: So-called innocent systolic murmurs.
mesh_terms: D000790:Angiocardiography; D006328:Cardiac Catheterization; D003327:Coronary Disease / Q000503:physiopathology; D004562:Electrocardiography; D006326:Heart Auscultation; D006331:Heart Diseases / Q000175:diagnosis; D006337:Heart Murmurs; D006801:Humans; D008943:Mitral Valve / Q000002:abnormalities; D010210:Papillary Muscles / Q000002:abnormalities