title: Studies on heart anaphylaxis. IV. Effect of antigen and histamine on depressed isolated heart preparations.
mesh_terms: D000707:Anaphylaxis; D000818:Animals; D000941:Antigens; D002302:Cardiac Output / Q000187:drug effects; D003331:Coronary Vessels / Q000187:drug effects; D003864:Depression, Chemical; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D006632:Histamine / Q000008:administration & dosage / Q000494:pharmacology*; D006634:Histamine H1 Antagonists; D009638:Norepinephrine / Q000494:pharmacology; D010477:Perfusion
chemical_list: D000941:Antigens; D006634:Histamine H1 Antagonists; D006632:Histamine; D009638:Norepinephrine