Panic DisorderPanicAgoraphobiaAnxiety DisordersPhobic DisordersSodium LactateTetragastrinClonazepamAlprazolamDiagnostic and Statistical Manual of Mental DisordersPsychiatric Status Rating ScalesPsychoanalytic TherapyCognitive TherapyMental DisordersBipolar DisorderMood DisordersDepressive Disorder, MajorAnti-Anxiety AgentsAnxietyImplosive TherapyAllylglycineAnxiety, SeparationStress Disorders, Post-TraumaticRepression-SensitizationComorbidityHyperventilationObsessive-Compulsive DisorderParoxetineAlcohol-Induced DisordersSerotonin Uptake InhibitorsDysthymic DisorderInterview, PsychologicalFearDepressive DisorderImipramineRelaxation TherapyPersonality InventoryPsychotherapySomatoform DisordersHypocapniaSeverity of Illness IndexAlkalosis, RespiratoryRespiration DisordersAntidepressive Agents, TricyclicElectronystagmographyPsychopharmacologyPsychophysiologic DisordersPrevalencePsychoanalytic TheoryPsychotherapy, GroupPersonality AssessmentTreatment Outcome