Cluster HeadacheHeadacheVascular HeadachesHeadache DisordersTension-Type HeadacheMigraine DisordersSumatriptanTrigeminal Autonomic CephalalgiasIron-Sulfur ProteinsHeadache Disorders, PrimaryPterygopalatine FossaTrigeminal NerveAlkadienesMigraine with AuraSpinal NervesMigraine without AuraParoxysmal HemicraniaFerredoxinsTryptaminesHeadache Disorders, SecondaryAnisocoriaCluster AnalysisElectron Spin Resonance SpectroscopyTrigeminal Caudal NucleusOrbitSulfurMiosisSpectroscopy, MossbauerHypothalamus