title: Acetylcholine bioassay with thin strip of frog rectus abdominis muscle.
mesh_terms: D000009:Abdominal Muscles / Q000187:drug effects*; D000109:Acetylcholine / Q000032:analysis*; D000818:Animals; D001001:Anura; D001681:Biological Assay / Q000379:methods*; D066298:In Vitro Techniques; D011898:Ranidae
chemical_list: D000109:Acetylcholine