title: Force-frequency characteristics of the left ventricle in the conscious dog.
mesh_terms: D000818:Animals; D001783:Blood Flow Velocity; D002304:Cardiac Pacing, Artificial; D004285:Dogs; D005583:Fourier Analysis; D006339:Heart Rate; D009200:Myocardial Contraction; D012212:Rheology; D016276:Ventricular Function