title: Force-velocity relations of isotonic relaxation in mammalian heart muscle.
mesh_terms: D000818:Animals; D001696:Biomechanical Phenomena; D002118:Calcium / Q000494:pharmacology; D002415:Cats; D066298:In Vitro Techniques; D008954:Models, Biological; D009119:Muscle Contraction; D009638:Norepinephrine / Q000494:pharmacology; D010210:Papillary Muscles / Q000502:physiology*; D011433:Propranolol / Q000494:pharmacology; D013696:Temperature
chemical_list: D011433:Propranolol; D002118:Calcium; D009638:Norepinephrine