title: [Effects of smooth muscle relaxants on contracting reactions caused by K,ACh, and Ba].
mesh_terms: D000109:Acetylcholine / Q000037:antagonists & inhibitors; D000818:Animals; D001464:Barium / Q000037:antagonists & inhibitors; D003994:Bucladesine / Q000494:pharmacology; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D009921:Metaproterenol / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D010208:Papaverine / Q000494:pharmacology*; D011188:Potassium / Q000037:antagonists & inhibitors; D011943:Receptors, Adrenergic, beta / Q000187:drug effects
chemical_list: D011943:Receptors, Adrenergic, beta; D001464:Barium; D009921:Metaproterenol; D003994:Bucladesine; D010208:Papaverine; D000109:Acetylcholine; D011188:Potassium