title: The cholinesterase activity of myoneural junctions from frog twitch and tonic muscles.
mesh_terms: D000818:Animals; D001001:Anura; D002802:Cholinesterases / Q000378:metabolism*; D009129:Muscle Tonus; D009469:Neuromuscular Junction / Q000201:enzymology*; D013057:Spectrum Analysis
chemical_list: D002802:Cholinesterases