Which is the effective agent-bradykinin or prostaglandins-on the isolated mammalian heart.
D000818:Animals; D001920:Bradykinin / Q000494:pharmacology*; D003326:Coronary Circulation / Q000187:drug effects; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects; D011458:Prostaglandins E / Q000494:pharmacology*
D011458:Prostaglandins E; D001920:Bradykinin