- 問題詳情:Leadpoisoningoccurswhenleadispresentedinhighlevelinthebloodofaperson.Itisthemostcommonmedicalproblemfoundinchildren.Andit’simportanttorecognizethepresenceofleadinachild’sbodybecauseleadisveryharmful.Childrenhavethetendencytogoaroundandputth...
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