Dental fluorosis in children in areas with fluoride-polluted air, high-fluoride water, and low-fluoride water as well as low-fluoride air: a study of deciduous and permanent teeth in the Shaanxi province, China.
April 2007
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Acta Odontologica Scandinavica
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Ruan JP, Bardsen A, Astrøm AN, Huang RZ, Wang ZL, Bjorvatn K.
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65(2):65-71.