title: The guinea-pig isolated vas deferens: a method for increasing sensitivity to drugs.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology; D066298:In Vitro Techniques; D008297:Male; D008722:Methods; D009119:Muscle Contraction / Q000187:drug effects*; D009538:Nicotine / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D011189:Potassium Chloride / Q000494:pharmacology; D012701:Serotonin / Q000494:pharmacology; D014649:Vas Deferens / Q000187:drug effects*
chemical_list: D012701:Serotonin; D011189:Potassium Chloride; D009538:Nicotine; D006632:Histamine; D000109:Acetylcholine; D009638:Norepinephrine