SyndromeDown SyndromeMetabolic Syndrome XAbnormalities, MultipleNephrotic SyndromeSjogren's SyndromeTurner SyndromeMyelodysplastic SyndromesCushing SyndromeChromosome AberrationsWilliams SyndromePolycystic Ovary SyndromeAcute Coronary SyndromeDiGeorge SyndromeEye AbnormalitiesPrader-Willi SyndromeMutationLong QT SyndromeHorner SyndromePhenotypeChromosome DisordersKaryotypingPedigreeMagnetic Resonance ImagingCraniofacial AbnormalitiesHemolytic-Uremic SyndromeKlinefelter SyndromeGuillain-Barre SyndromeTourette SyndromeCongenital AbnormalitiesAntiphospholipid SyndromeCompartment SyndromesIntellectual DisabilityPorcine Reproductive and Respiratory SyndromeCarpal Tunnel SyndromeBartter SyndromePregnancyReye SyndromeWerner SyndromeBrugada SyndromeInfant, NewbornHELLP SyndromeEhlers-Danlos SyndromePorcine respiratory and reproductive syndrome virusBloom SyndromeRisk FactorsSturge-Weber SyndromeJob SyndromeBrainAngelman SyndromeRespiratory Distress Syndrome, AdultRetrospective StudiesWiskott-Aldrich SyndromeCase-Control StudiesTrisomyTreatment OutcomeRestless Legs SyndromeSevere Acute Respiratory SyndromeDisease Models, AnimalTime FactorsParaneoplastic SyndromesAcquired Immunodeficiency SyndromeProspective StudiesSkin AbnormalitiesFaciesCardiovascular AbnormalitiesElectrocardiographyFollow-Up StudiesSweet SyndromeChediak-Higashi SyndromeUrogenital AbnormalitiesChurg-Strauss SyndromeMusculoskeletal AbnormalitiesBudd-Chiari SyndromeIn Situ Hybridization, FluorescenceDNA Mutational AnalysisChromosome DeletionKallmann SyndromeTomography, X-Ray ComputedBeckwith-Wiedemann SyndromeWolff-Parkinson-White SyndromeSezary SyndromeSick Sinus SyndromePrevalenceBardet-Biedl SyndromeAlagille SyndromeMolecular Sequence DataSex Chromosome AberrationsPrenatal DiagnosisHeterozygoteHeart Defects, CongenitalImmunologic Deficiency SyndromesUsher SyndromesFatal OutcomeStevens-Johnson SyndromeFelty SyndromeSmith-Lemli-Opitz SyndromePrognosisCockayne SyndromeSeverity of Illness Index