Child DevelopmentDevelopmental DisabilitiesNervous SystemCholera ToxinPrenatal Exposure Delayed EffectsT-2 ToxinPsychomotor DisordersDichlorodiphenyl DichloroethylenePregnancyTetanus ToxinBrainInfant, NewbornMaternal ExposureLead Poisoning, Nervous System, ChildhoodBotulinum Toxins, Type AMarine ToxinsInfant, PrematureSchizophreniaChlorpyrifosPropoxurEnvironmental PollutantsMercury Poisoning, Nervous SystemMotor Skills DisordersShiga ToxinsPolychlorinated BiphenylsCognitionShiga Toxin 2Growth and DevelopmentCraniosynostosesPesticidesNeurogenesisPrenatal Nutritional Physiological PhenomenaNervous System DiseasesShiga Toxin 1Ethylmercury CompoundsNeurotoxicity SyndromesInsecticidesDDTInfant FormulaHalogenated Diphenyl EthersEcuadorIodineChild Behavior DisordersGestational AgePsychomotor PerformanceNeuropsychological TestsIntelligenceAutistic DisorderMilk, HumanLeadEnvironmental ExposureCognition DisordersIntelligence TestsMethylmercury CompoundsNeurologic ExaminationNeuronsAdenylate Cyclase ToxinAdolescent DevelopmentChileCerebral PalsyFetal DevelopmentAnimals, NewbornEnterotoxinsInfant, Premature, DiseasesMagnetic Resonance ImagingMercuryMexicoNerve Tissue ProteinsMaternal-Fetal ExchangeFlame RetardantsHydrocarbons, ChlorinatedLanguage Development DisordersPsychological TestsInfant Nutritional Physiological PhenomenaCentral Nervous SystemFood ContaminationAntitoxinsNerve Fibers, MyelinatedHeadDocosahexaenoic AcidsPregnancy ComplicationsDiffusion Tensor ImagingHemolysin ProteinsLanguage DevelopmentProspective StudiesFetal Growth RetardationCell Adhesion Molecules, NeuronalMotor SkillsChild Development Disorders, PervasiveInfant, Very Low Birth WeightChild BehaviorScorpion VenomsLongitudinal StudiesClostridium difficileCohort StudiesArgentinaCerebellumMycotoxinsBreast FeedingNeural Stem Cells