title: A reexamination of the influence of muscle length on myocardial performance.
mesh_terms: D000818:Animals; D002110:Caffeine / Q000494:pharmacology; D002118:Calcium / Q000494:pharmacology; D006321:Heart / Q000502:physiology*; D006329:Heart Conduction System / Q000502:physiology; D008564:Membrane Potentials / Q000187:drug effects; D009200:Myocardial Contraction / Q000187:drug effects; D009210:Myofibrils / Q000502:physiology; D010210:Papillary Muscles / Q000502:physiology; D012508:Sarcolemma / Q000502:physiology; D012519:Sarcoplasmic Reticulum / Q000502:physiology; D013718:Tensile Strength / Q000187:drug effects; D016276:Ventricular Function
chemical_list: D002110:Caffeine; D002118:Calcium