[A study on the fluorine source of endemic dietary fluorosis in Guizhou Province].
D000397:Air Pollution / Q000032:analysis; D002681:China; D003031:Coal / Q000009:adverse effects; D005458:Fluoride Poisoning / Q000209:etiology*; D005461:Fluorine / Q000032:analysis*; D005504:Food Analysis; D006801:Humans; D012987:Soil / Q000032:analysis; D014881:Water Supply / Q000032:analysis
D003031:Coal; D012987:Soil; D005461:Fluorine