title: Length-dependent changes in myocardial contractile state.
mesh_terms: D000818:Animals; D001696:Biomechanical Phenomena; D002415:Cats; D006321:Heart / Q000502:physiology* / Q000503:physiopathology; D000860:Hypoxia / Q000503:physiopathology; D066298:In Vitro Techniques; D009119:Muscle Contraction; D010210:Papillary Muscles / Q000187:drug effects / Q000502:physiology*; D012110:Reserpine / Q000494:pharmacology
chemical_list: D012110:Reserpine