[Prevalence of idiopathic mottling of enamel and urinary fluoride level in school children in a low-fluoride area. (Fluoride study No. 12)].
D002648:Child; D003743:Dental Enamel / Q000473:pathology; D005459:Fluorides / Q000652:urine*; D009050:Fluorosis, Dental / Q000453:epidemiology*; D006029:Glycosuria; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007564:Japan
D005459:Fluorides