title: [Second report on mercury levels in the urine of elementary school students in Ostrava].
mesh_terms: D002648:Child; D003604:Czechoslovakia; D005260:Female; D006801:Humans; D008297:Male; D008628:Mercury / Q000652:urine*
chemical_list: D008628:Mercury
vernacular_title: Druhé sdĕlení o hladinách rtuti v moci ostravských zákú ZS.