title: [Inhibitory action of protamine and lanthanum on the smooth muscle].
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D002118:Calcium / Q000494:pharmacology / Q000502:physiology; D002432:Cecum / Q000187:drug effects; D003864:Depression, Chemical; D004305:Dose-Response Relationship, Drug; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D007811:Lanthanum / Q000494:pharmacology*; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects*; D010208:Papaverine / Q000494:pharmacology; D011479:Protamines / Q000494:pharmacology*
chemical_list: D011479:Protamines; D007811:Lanthanum; D010208:Papaverine; D000109:Acetylcholine; D002118:Calcium