title: Circadian fluctuation of brain acetylcholine in rats. I. On the variations in the total brain and discrete brain areas.
mesh_terms: D000109:Acetylcholine / Q000032:analysis*; D000818:Animals; D001923:Brain Chemistry; D002940:Circadian Rhythm; D004027:Diencephalon / Q000032:analysis; D008526:Medulla Oblongata / Q000032:analysis; D008636:Mesencephalon / Q000032:analysis; D009928:Organ Specificity; D011149:Pons / Q000032:analysis; D051381:Rats; D013687:Telencephalon / Q000032:analysis
chemical_list: D000109:Acetylcholine