title: Heart-sound processing by average and variance calculation--physiologic basic and clinical implications.
mesh_terms: D000704:Analysis of Variance; D003201:Computers; D004562:Electrocardiography; D006321:Heart / Q000502:physiology; D006326:Heart Auscultation / Q000379:methods*; D006331:Heart Diseases / Q000175:diagnosis*; D006347:Heart Sounds / Q000379:methods*; D006801:Humans; D008954:Models, Biological; D013223:Statistics as Topic