title: Cardiac work and efficiency.
authors.forename: N
authors.initials: N
authors.lastname: Westerhof
mesh_terms: D000375:Aging / Q000502:physiology; D000818:Animals; D004452:Echocardiography; D006321:Heart / Q000502:physiology*; D006801:Humans; D023421:Models, Animal; D008954:Models, Biological; D009200:Myocardial Contraction / Q000502:physiology*; D010101:Oxygen Consumption / Q000502:physiology*; D010210:Papillary Muscles / Q000502:physiology; D051381:Rats; D022722:Thermogenesis / Q000502:physiology