title: Paired vasa deferentia: a method of reducing variability in the response to drugs.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D008722:Methods; D009119:Muscle Contraction / Q000187:drug effects; D010656:Phenylephrine / Q000494:pharmacology; D014649:Vas Deferens / Q000187:drug effects*
chemical_list: D010656:Phenylephrine