Double-Blind MethodDrug Administration ScheduleTreatment OutcomeLaboratoriesLaboratories, HospitalAbnormalities, MultipleClinical Laboratory TechniquesAnimals, LaboratoryChromosome AberrationsMedical Laboratory PersonnelCongenital AbnormalitiesChromosome DisordersKaryotypingEye AbnormalitiesMagnetic Resonance ImagingClinical Laboratory Information SystemsBrainPhenotypeSensitivity and SpecificitySyndromePregnancyMutationCraniofacial AbnormalitiesTime FactorsSkin AbnormalitiesRetrospective StudiesTrisomyInfant, NewbornUrogenital AbnormalitiesLaboratory PersonnelIn Situ Hybridization, FluorescenceMusculoskeletal AbnormalitiesProspective StudiesReproducibility of ResultsDisease Models, AnimalQuality ControlTooth AbnormalitiesLaboratory Proficiency TestingLaboratory Animal ScienceElectrocardiographyTranslocation, GeneticCase-Control StudiesAneuploidyPolymerase Chain ReactionChemistry, ClinicalReference ValuesRisk FactorsFollow-Up StudiesPredictive Value of TestsSex Chromosome AberrationsTomography, X-Ray ComputedAbnormalities, Drug-InducedFetal DiseasesPedigreeMedical Laboratory ScienceBrain DiseasesPrognosisCytogenetic AnalysisSchizophreniaMice, KnockoutPrenatal DiagnosisMolecular Sequence DataImage Processing, Computer-AssistedHeart Defects, CongenitalClinical Laboratory ServicesChromosome DeletionCytogeneticsBiopsyUltrasonography, PrenatalMice, Inbred C57BLAnalysis of VarianceChromosome BandingEchocardiographyHeterozygoteMice, TransgenicBase SequenceHomozygoteMicrobiologyMice, Mutant StrainsSpecimen HandlingSeverity of Illness IndexBiological MarkersPrevalenceNervous System MalformationsEvaluation Studies as TopicIntellectual DisabilityAge FactorsCohort StudiesChromosomes, Human, Pair 13ElectroencephalographyAcute DiseaseBlood Coagulation DisordersLaboratories, DentalGenotypeDown SyndromeImmunohistochemistryFalse Positive ReactionsAgenesis of Corpus CallosumAtrophyGene Deletion