title: Free choline levels in the rat brain.
mesh_terms: D000107:Acetylation; D000109:Acetylcholine / Q000138:chemical synthesis / Q000494:pharmacology; D000123:Acetyltransferases; D000818:Animals; D001001:Anura; D001681:Biological Assay; D001923:Brain Chemistry; D002247:Carbon Isotopes; D002794:Choline / Q000032:analysis*; D008722:Methods; D009132:Muscles / Q000187:drug effects; D010759:Phosphorus Isotopes; D010770:Phosphotransferases; D011896:Rana temporaria; D051381:Rats
chemical_list: D002247:Carbon Isotopes; D010759:Phosphorus Isotopes; D000123:Acetyltransferases; D010770:Phosphotransferases; D002794:Choline; D000109:Acetylcholine