title: Blockade of adrenergic and cholinergic transmissions by tetramethylpyrazine.
mesh_terms: D000818:Animals; D002645:Chickens; D004386:Duodenum / Q000187:drug effects; D004947:Esophagus / Q000187:drug effects; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D009130:Muscle, Smooth / Q000187:drug effects*; D009541:Nictitating Membrane / Q000187:drug effects; D011719:Pyrazines / Q000494:pharmacology*; D011817:Rabbits; D013085:Spermatic Cord / Q000187:drug effects
chemical_list: D011719:Pyrazines; C017953:tetramethylpyrazine