title: Blocking effects of cyproheptadine and methysergide upon two different cardiovascular responses to serotonin.
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D002628:Chemoreceptor Cells / Q000502:physiology; D003533:Cyproheptadine / Q000494:pharmacology*; D004285:Dogs; D006439:Hemodynamics / Q000187:drug effects*; D006976:Hypertension, Pulmonary / Q000139:chemically induced; D008784:Methysergide / Q000494:pharmacology*; D012018:Reflex / Q000187:drug effects; D012701:Serotonin / Q000494:pharmacology*
chemical_list: D003533:Cyproheptadine; D012701:Serotonin; D008784:Methysergide