title: The effect of alpha- and beta-sympathotropic substances on spontaneous activity of the rabbit duodenum.
mesh_terms: D000818:Animals; D004386:Duodenum / Q000187:drug effects*; D004837:Epinephrine / Q000494:pharmacology*; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology*; D010646:Phentolamine / Q000494:pharmacology*; D011817:Rabbits; D011984:Sensory Receptor Cells / Q000187:drug effects*; D013565:Sympatholytics / Q000494:pharmacology*; D013566:Sympathomimetics / Q000494:pharmacology*
chemical_list: D013565:Sympatholytics; D013566:Sympathomimetics; D007545:Isoproterenol; D009638:Norepinephrine; D004837:Epinephrine; D010646:Phentolamine