title: Effect of changes ff brain norepinephrine content on sleep cycle in rat.
mesh_terms: D000818:Animals; D001794:Blood Pressure; D001921:Brain / Q000502:physiology*; D001923:Brain Chemistry / Q000187:drug effects; D004569:Electroencephalography; D007267:Injections; D009474:Neurons / Q000187:drug effects; D009638:Norepinephrine / Q000032:analysis / Q000502:physiology*; D051381:Rats; D012701:Serotonin / Q000032:analysis; D012890:Sleep / Q000187:drug effects / Q000502:physiology*; D013238:Stereotaxic Techniques; D014443:Tyrosine / Q000494:pharmacology; D014851:Wakefulness
chemical_list: D012701:Serotonin; D014443:Tyrosine; D009638:Norepinephrine