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. 2019 Mar 21;16(6):1030. doi: 10.3390/ijerph16061030

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Exposure of fluoride for infants in the three drinking water sources of Yancheng City. Note: Dashed line in Figure 4 refers to the toxicity reference value of 122 μg kg⁻¹ d⁻¹, which is recommended by Health Canada.