Migraine DisordersMigraine without AuraTension-Type HeadacheCluster AnalysisHeadacheErgotamineMigraine with AuraMotion SicknessHeadache DisordersHeadache Disorders, PrimaryTinnitusMultigene FamilyPhotoplethysmographyFacial PainQuestionnairesPainSleep Initiation and Maintenance DisordersAnalgesicsIrritable Bowel SyndromeRhinitis, Allergic, SeasonalChronic DiseaseAttitude to HealthCluster HeadacheLow Back PainQuality of LifePain MeasurementPrevalenceSeverity of Illness IndexIron-Sulfur ProteinsSleep DisordersMolecular Sequence DataPatient Acceptance of Health CarePatient SatisfactionCost of IllnessCross-Sectional StudiesDisability EvaluationStress, PsychologicalPhylogenyHealth SurveysActivities of Daily LivingTreatment OutcomeGreat BritainPatient Education as TopicComorbidityCase-Control StudiesDepressionEnglandSex FactorsSequence Analysis, DNATime FactorsOutcome Assessment (Health Care)Base SequenceRisk FactorsAmino Acid SequenceGenes, BacterialBacterial ProteinsDNA, BacterialElectron Spin Resonance SpectroscopyFerredoxinsCloning, MolecularSequence AlignmentEvolution, MolecularSpace-Time ClusteringSequence Homology, Amino AcidIronStreptomycesEscherichia coliSpectroscopy, MossbauerGene Expression ProfilingChromosome MappingMutationBiosynthetic PathwaysAlgorithmsGenetic VariationModels, MolecularGene OrderRNA, Ribosomal, 16SGene Expression Regulation, BacterialOpen Reading FramesOxidation-ReductionDNA, RibosomalMetalloproteinsBinding SitesSpecies SpecificitySequence Homology, Nucleic AcidOligonucleotide Array Sequence AnalysisPolymerase Chain ReactionAconitate HydrataseTranscription, GeneticPeptide SynthasesBacterial Typing TechniquesPhenotypeComputational BiologyPolyketide SynthasesOperonConserved SequenceRestriction MappingGenotypeProtein Structure, TertiaryDNA Primers