Panic DisorderPanicAgoraphobiaAnxiety DisordersPhobic DisordersSodium LactateTetragastrinClonazepamAlprazolamDiagnostic and Statistical Manual of Mental DisordersPsychiatric Status Rating ScalesPsychoanalytic TherapyCognitive TherapyMental DisordersBipolar DisorderDepressive Disorder, MajorMood DisordersAnti-Anxiety AgentsImplosive TherapyAnxietyAllylglycineAnxiety, SeparationStress Disorders, Post-TraumaticRepression-SensitizationComorbidityHyperventilationObsessive-Compulsive DisorderParoxetineAlcohol-Induced DisordersSerotonin Uptake InhibitorsDysthymic DisorderFearInterview, PsychologicalImipramineDepressive DisorderRelaxation TherapyPersonality InventoryPsychotherapySomatoform DisordersHypocapniaSeverity of Illness IndexAlkalosis, RespiratoryAntidepressive Agents, TricyclicRespiration DisordersElectronystagmographyPsychopharmacologyPsychoanalytic TheoryPsychotherapy, GroupPsychophysiologic Disorders