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