Bioassay of acetylcholine with a thin muscle strip of the japanese medical leech: a preliminary note on the reappraisal of the availability of this method.
D000109:Acetylcholine / Q000032:analysis* / Q000494:pharmacology; D001681:Biological Assay; D004305:Dose-Response Relationship, Drug; D007865:Leeches / Q000378:metabolism*; D009119:Muscle Contraction / Q000187:drug effects*
D000109:Acetylcholine