Connective Tissue DiseasesMixed Connective Tissue DiseaseScleroderma, SystemicAntibodies, AntinuclearRaynaud DiseaseLupus Erythematosus, SystemicCollagen DiseasesAutoantibodiesSkin and Connective Tissue DiseasesSjogren's SyndromeLung Diseases, InterstitialsnRNP Core ProteinsCREST SyndromeHypertension, PulmonaryRheumatic DiseasesBreast ImplantsMyositisRibonucleoprotein, U1 Small NuclearArthritis, RheumatoidAutoantigensPolyarteritis NodosaAutoimmune DiseasesScleroderma, LocalizedMucinosesRibonucleoproteins, Small NuclearRibonucleoproteinsVasculitisNailsIdiopathic Interstitial PneumoniasSiliconesPrednisoloneMicroscopic AngioscopyPulmonary FibrosisToesSurgery, PlasticWegener GranulomatosisRNA, Small CytoplasmicArthritisHydroxychloroquineCranial Nerve DiseasesRheumatoid NoduleRheumatoid FactorPericardial EffusionMarfan SyndromeCounterimmunoelectrophoresisMicroscopic PolyangiitisImmunoglobulin GEnzyme-Linked Immunosorbent AssayEsophageal Motility DisordersScleritisHLA-DR4 AntigenCryptogenic Organizing PneumoniaNucleoproteinsFingersFatal OutcomeAntigens, NuclearAntibody SpecificityFluorescent Antibody TechniqueConnective TissueBiological MarkersRespiratory Function TestsBehcet SyndromeCardiac Tamponade