title: Sensitivity changes to noradrenaline in the guinea-pig vas deferens induced by amphetamine, cocaine and denervation.
mesh_terms: D000661:Amphetamine / Q000494:pharmacology*; D000818:Animals; D003042:Cocaine / Q000494:pharmacology*; D003714:Denervation; D004357:Drug Synergism; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology*; D014649:Vas Deferens / Q000294:innervation
chemical_list: D000661:Amphetamine; D003042:Cocaine; D009638:Norepinephrine