Sjogren's SyndromeXerophthalmiaSalivary Glands, MinorSialographyLacrimal ApparatusLipParotitisSialadenitisTearsSalivary GlandsSalivary DuctsDacryocystitisAutoimmune DiseasesDry Eye SyndromesParotid GlandAutoantibodiesLupus Erythematosus, SystemicAutoantigensAntibodies, AntinuclearTerminology as TopicRibonucleoproteinsBiopsyEnzyme-Linked Immunosorbent AssayIntubation, IntratrachealUnited StatesPrevalenceReproducibility of ResultsRisk FactorsSensitivity and SpecificityMetabolic Syndrome XWorld Health OrganizationAlgorithmsSeverity of Illness IndexReceptor, Muscarinic M4Population SurveillanceTreatment OutcomeConsensus Development Conferences as TopicEndpoint DeterminationTime FactorsPredictive Value of Tests