摘 要: | 0 IntroductionLeadandcadmiumaretwoofthemostabundantheavymetalsintheenvironmentandtheirtoxiceffectshavebeenrecognizedforalongtime.Experi mentalandepidemiologicalstudieshaveprovidedsub stantialevidencethatthemainorgansforleadandcad miumaccumulationinhumansarekidney,liver,lung ,andpancreas .Lowlevelsoflong termexposuretoleadandcadmiumcanbemanifestedbyavarietyofsyndromesandeffectsincludingcancer,renaldysfunction ,hepaticinjury,lungdamageandhypertension[1 ] .Thus ,thede terminationoftracelevelsofl…
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