MercuryMercury PoisoningMethylmercury CompoundsMercury CompoundsMercury Poisoning, Nervous SystemDental AmalgamHairSeafoodFood ContaminationEthylmercury CompoundsDental StaffDental AssistantsFishesThimerosalEnvironmental ExposureMiningEnvironmental MonitoringEnvironmental PollutantsWater Pollutants, ChemicalOccupational ExposureMercuric ChloridePreservatives, PharmaceuticalUnithiolDentistsMercury IsotopesAir Pollutants, OccupationalMaternal ExposureSuccimerSeychellesBleaching AgentsBody BurdenLaboratories, DentalHair PreparationsCosmeticsHeavy Metal Poisoning, Nervous SystemSpectrophotometry, AtomicIraqEpidemiological MonitoringOrganomercury CompoundsFrench GuianaInhalation ExposureLeadTunaDietPregnancyMaximum Allowable ConcentrationVolatilizationNew JerseyDental Restoration, PermanentGoldMercury RadioisotopesThreshold Limit ValuesChemical IndustryPrenatal Exposure Delayed EffectsPoison Control CentersDustSeleniumPerciformesIndustryMetallurgyChild DevelopmentCross-Sectional StudiesOccupational DiseasesNervous SystemVentilationNoise, OccupationalFetal BloodQuebecHazardous Substances