title: Photometric determination of acetylcholine in rat brain after selective isolation by ion pair extraction and micro column separation.
mesh_terms: D000109:Acetylcholine / Q000032:analysis*; D000818:Animals; D001923:Brain Chemistry; D002845:Chromatography; D006863:Hydrogen-Ion Concentration; D007477:Ions; D008722:Methods; D008832:Microchemistry; D010783:Photometry; D051381:Rats; D014020:Tissue Extracts
chemical_list: D007477:Ions; D014020:Tissue Extracts; D000109:Acetylcholine