Reference ValuesHealthEnzyme-Linked Immunosorbent AssayCase-Control StudiesSex FactorsAge FactorsRisk FactorsSensitivity and SpecificityAgingImmunoglobulin GTime FactorsBiological MarkersFecesLymphocytesUnited StatesAntibodies, ViralAnalysis of VariancePrevalenceImmunoglobulin MAutoantibodiesChronic DiseaseLinear ModelsQuestionnairesPolymerase Chain ReactionReproducibility of ResultsAntibodies, BacterialDisabled PersonsProspective StudiesBlood GlucoseGenotypePolymorphism, GeneticAttitude of Health PersonnelAttitude to HealthMolecular Sequence DataHealth Knowledge, Attitudes, PracticeCross-Sectional StudiesInterviews as TopicQualitative ResearchGreat BritainPhysician-Patient RelationsAttitudePatient SatisfactionFocus GroupsHomeless PersonsHIV InfectionsData CollectionPatient Acceptance of Health CareEnglandSocioeconomic FactorsQuality of LifePerceptionClinical CompetenceStereotypingCommunicationFamily PracticeSelf ConceptDecision MakingMentally Ill PersonsMentally Disabled PersonsVisually Impaired PersonsAttitude to DeathSocial SupportIncidenceHealth StatusHealth SurveysCohort StudiesCaregiversRural PopulationHealth Care SurveysHealth Services AccessibilityPrejudiceHealth Services for the AgedPatient Education as TopicPhysicians, FamilyGeriatric AssessmentStress, PsychologicalPublic OpinionProfessional-Patient RelationsPilot ProjectsAustraliaFollow-Up StudiesPhysiciansEmotionsAge DistributionGuiltCultureCanadaPhysician's RoleAdaptation, PsychologicalMental DisordersResidence CharacteristicsNetherlandsDementiaPopulation SurveillancePatient ParticipationPrimary Health CareWeight PerceptionLongitudinal StudiesTreatment OutcomeMass Screening