The inhibition of allergic reactions by sympathomimetic amines and methylxanthines.
D000818:Animals; D000941:Antigens; D002110:Caffeine / Q000494:pharmacology*; D000242:Cyclic AMP; D006168:Guinea Pigs; D006636:Histamine Release / Q000187:drug effects*; D006801:Humans; D006967:Hypersensitivity; D007545:Isoproterenol / Q000494:pharmacology*; D008168:Lung / Q000187:drug effects; D013806:Theophylline / Q000494:pharmacology*
D000941:Antigens; D002110:Caffeine; D013806:Theophylline; D000242:Cyclic AMP; D007545:Isoproterenol