title: Load-dependent changes in the contractility of isolated cardiac muscle.
mesh_terms: D000200:Action Potentials; D000818:Animals; D002118:Calcium / Q000502:physiology; D002415:Cats; D066298:In Vitro Techniques; D009119:Muscle Contraction; D010210:Papillary Muscles / Q000502:physiology*; D013314:Stress, Mechanical; D013997:Time Factors; D016276:Ventricular Function
chemical_list: D002118:Calcium