Tetrazolium salt: antagonism of acetylcholine-induced response on frog's rectus.
D000109:Acetylcholine / Q000037:antagonists & inhibitors*; D000818:Animals; D001001:Anura; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D013778:Tetrazolium Salts / Q000494:pharmacology*
D013778:Tetrazolium Salts; D000109:Acetylcholine