title: Optimal external power or efficiency?
authors.forename: D
authors.initials: D
authors.lastname: Burkhoff
authors.forename: K
authors.initials: K
authors.lastname: Sagawa
mesh_terms: D000818:Animals; D002415:Cats; D006339:Heart Rate; D006439:Hemodynamics; D013318:Stroke Volume; D014655:Vascular Resistance; D016276:Ventricular Function