Symptom AssessmentVital SignsDepressionSeverity of Illness IndexQuestionnairesTreatment OutcomeBehavioral SymptomsPsychiatric Status Rating ScalesProspective StudiesTime FactorsFollow-Up StudiesPrevalenceQuality of LifeAffective SymptomsAnxietyDepressive DisorderMagnetic Resonance ImagingTomography, X-Ray ComputedLocation Directories and SignsLongitudinal StudiesRisk FactorsFatigueCross-Sectional StudiesStress Disorders, Post-TraumaticPainCoughAsthmaSchizophreniaRespiration DisordersAcute DiseaseHeadacheChronic DiseaseSyndromeAge FactorsStress, PsychologicalPredictive Value of TestsSensitivity and SpecificityOccupational DiseasesCohort StudiesSchizophrenic PsychologyPsychotic DisordersGastroesophageal RefluxRetrospective StudiesSex FactorsLower Urinary Tract SymptomsComorbidityRespiratory Tract DiseasesPsychometricsUrination DisordersRespiratory SoundsGastrointestinal DiseasesReproducibility of ResultsDyspneaBrainNervous System DiseasesSubstance Withdrawal SyndromePrognosisPsychophysiologic DisordersCase-Control StudiesRecurrencePain MeasurementAnalysis of VarianceProdromal SymptomsNeurologic ExaminationPersonality InventoryLogistic ModelsPhysical ExaminationFatal OutcomeNeuropsychological TestsHot FlashesInfant, NewbornDyspepsiaHallucinationsAdaptation, PsychologicalRegression AnalysisOccupational ExposureIrritable Bowel SyndromeDisease ProgressionCognition DisordersConstipationUnited StatesAnxiety DisordersHealth StatusDog DiseasesDelusionsIncidenceDiagnostic and Statistical Manual of Mental DisordersRhinitisAntipsychotic AgentsPregnancyDepressive Disorder, MajorPilot ProjectsIrritable MoodAffectSleep DisordersMental DisordersLife Change EventsHealth SurveysDisease Models, AnimalParesthesia