Studies on force-velocity relations of isotonic relaxation in isolated mammalian heart muscle.
D000818:Animals; D002118:Calcium / Q000494:pharmacology; D002415:Cats; D004558:Electric Stimulation; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology; D010210:Papillary Muscles / Q000502:physiology*; D011433:Propranolol / Q000494:pharmacology; D013696:Temperature
D011433:Propranolol; D002118:Calcium; D009638:Norepinephrine