title: Studies on the functional role of adenosine 3',5'-monophosphate, histamine and prostaglandin E 1  in the central nervous system.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D002110:Caffeine / Q000494:pharmacology; D002490:Central Nervous System / Q000187:drug effects*; D002645:Chickens; D000242:Cyclic AMP / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D006632:Histamine / Q000494:pharmacology*; D006633:Histamine Antagonists; D009043:Motor Activity / Q000187:drug effects; D011453:Prostaglandins / Q000494:pharmacology*
chemical_list: D006633:Histamine Antagonists; D011453:Prostaglandins; D002110:Caffeine; D006632:Histamine; D000242:Cyclic AMP