title: Length-tension relations in cardiac muscle.
mesh_terms: D000818:Animals; D001001:Anura; D002415:Cats; D006321:Heart / Q000502:physiology*; D007313:Insecta; D008954:Models, Biological; D009119:Muscle Contraction / Q000502:physiology*; D009132:Muscles / Q000502:physiology; D010210:Papillary Muscles / Q000502:physiology; D011817:Rabbits