2007i-378 2009g-322 adverseeffects canada child children children'shealth childrenandtheenvironment childwelfare economicaspects economics enfants enfantsetenvironnement environment environmentalconservation environmentalexposure environmentalhealth environmentalillness environmentallaw environmentallyinduceddiseases environmentalmonitoring environmentalpolicy environmentalpollutants environmentalpollution environnement évaluation fitness governmentpolicy health healthandhygiene healthaspects healthriskassessment healthstatusindicators hygiènedumilieu indicateursdesanté industrialtoxicology lawandlegislation maladiesdel'environnementchezl'enfant medical nature pediatrics poisoning politicalscience politics politiquegouvernementale pollution prenatalexposuredelayedeffects protection risquespourlasanté santéethygiène socialaspects surveillance unitedstates unitedstatesgovernmentagencies wa670s524p2008 wa671s823m2008