title: [Proceedings: Effects of methysergide on the contraction of the vas deferens in guinea pigs].
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D008784:Methysergide / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D014649:Vas Deferens / Q000187:drug effects*
chemical_list: D008784:Methysergide