title: Assay of rat brain acetylcholine with a thin muscle strip of the Japanese medical leech.
mesh_terms: D000109:Acetylcholine / Q000032:analysis*; D000818:Animals; D001681:Biological Assay / Q000379:methods*; D001923:Brain Chemistry; D066298:In Vitro Techniques; D007865:Leeches / Q000502:physiology*; D009119:Muscle Contraction / Q000187:drug effects; D051381:Rats
chemical_list: D000109:Acetylcholine