title: Pupillary tyramine test: its diagnostic relevance in cluster headache.
mesh_terms: D003027:Cluster Headache / Q000175:diagnosis*; D006801:Humans; D012025:Reflex, Pupillary / Q000187:drug effects*; D014439:Tyramine; D014653:Vascular Headaches / Q000175:diagnosis*
chemical_list: D014439:Tyramine