title: The energy output of tetanized cardiac muscle: species differences.
mesh_terms: D000818:Animals; D002110:Caffeine / Q000494:pharmacology*; D002118:Calcium / Q000494:pharmacology*; D002415:Cats; D004734:Energy Metabolism / Q000187:drug effects*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects; D010210:Papillary Muscles / Q000378:metabolism* / Q000502:physiology; D051381:Rats; D013045:Species Specificity
chemical_list: D002110:Caffeine; D002118:Calcium