KetanserinSerotonin AntagonistsReceptors, SerotoninReceptor, Serotonin, 5-HT2ASerotoninSerotonin 5-HT2 Receptor AntagonistsSerotonin Receptor AgonistsRitanserinReceptors, Serotonin, 5-HT2MethiothepinMethysergidePiperidinesSumatriptan8-Hydroxy-2-(di-n-propylamino)tetralinReceptor, Serotonin, 5-HT2CAmphetaminesSerotonin 5-HT2 Receptor Agonists2,5-Dimethoxy-4-MethylamphetamineReceptor, Serotonin, 5-HT1DCyproheptadineSpiperoneSerotonin AgentsReceptor, Serotonin, 5-HT2BTropanesReceptor, Serotonin, 5-HT1BDose-Response Relationship, DrugPsilocybineMethoxamineDouble-Blind MethodTreatment OutcomePrazosinNorfenfluramineLysergic Acid DiethylamideTryptaminesMianserinVasoconstrictionHallucinogensSerotonin 5-HT1 Receptor Antagonists5,7-Dihydroxytryptamine