[Effects of exogenous acetylcholine on the tension of smooth muscle in the isolated guinea pig trachea].
D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D009129:Muscle Tonus / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects*; D014132:Trachea
D000109:Acetylcholine