title: "Free" and "bound" acetylcholine concentrations in rat brain: variability in determination of "free" acetylcholine fraction.
mesh_terms: D000109:Acetylcholine / Q000032:analysis*; D000818:Animals; D001001:Anura; D001665:Binding Sites; D001923:Brain Chemistry; D000431:Ethanol; D006863:Hydrogen-Ion Concentration; D008297:Male; D008722:Methods; D051381:Rats; D012997:Solvents
chemical_list: D012997:Solvents; D000431:Ethanol; D000109:Acetylcholine