Panic DisorderPanicTetragastrinAgoraphobiaAlprazolamSodium LactateBody Dysmorphic DisordersAnxiety DisordersHyperventilationNortriptylineSeptember 11 Terrorist AttacksOxazepamRespiratory RateFearAnxietyCyclonic StormsPhobic DisordersStress Disorders, Post-TraumaticPsychiatric Status Rating ScalesFirst AidCrisis InterventionAntidepressive Agents, TricyclicPersonality InventoryDiagnostic and Statistical Manual of Mental DisordersAnti-Anxiety AgentsRefugeesCognitive TherapyParoxetineVietnamRespiration DisordersTeaching MaterialsSensationIschemic Attack, TransientLife Change EventsCarbon DioxideComorbiditySeverity of Illness IndexPersonality AssessmentInternal-External ControlAnalysis of VarianceQuestionnairesComplement Membrane Attack ComplexPrevalenceClonazepamHealth SurveysHydrocortisoneAge of OnsetDouble-Blind Method