MercuryMercury PoisoningMethylmercury CompoundsMercury CompoundsMercury Poisoning, Nervous SystemDental AmalgamHairSeafoodFood ContaminationEthylmercury CompoundsDental StaffDental AssistantsFishesThimerosalEnvironmental ExposureMiningEnvironmental MonitoringWater Pollutants, ChemicalEnvironmental PollutantsOccupational ExposureMercuric ChloridePreservatives, PharmaceuticalUnithiolDentistsAir Pollutants, OccupationalMercury IsotopesMaternal ExposureSuccimerSeychellesBleaching AgentsBody BurdenLaboratories, DentalHair PreparationsCosmeticsHeavy Metal Poisoning, Nervous SystemSpectrophotometry, AtomicIraqEpidemiological MonitoringOrganomercury CompoundsFrench GuianaLeadInhalation ExposureTunaDietPregnancyMaximum Allowable ConcentrationVolatilizationNew JerseyDental Restoration, PermanentGoldMercury RadioisotopesThreshold Limit ValuesChemical IndustrySeleniumPrenatal Exposure Delayed EffectsDustPoison Control CentersPerciformesMetallurgyIndustryChild DevelopmentCross-Sectional StudiesTime FactorsOccupational DiseasesNervous SystemCadmiumFetal BloodVentilationNoise, OccupationalQuebecHazardous Substances