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. 2015 Feb 27;7(3):1494–1537. doi: 10.3390/nu7031494

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© 2015 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 license (http://creativecommons.org/licenses/by/4.0/).

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Se status (Middle East regions) versus Se concentration required to optimise plasma GPx activity. ^^ calculated average; ^# not clear if it is a mean value; f = female; m = male; ^## sex not established. The red line , indicates concentration required to optimise plasma GPx activity according to Alfthan et al. (98.7 μg/L) [8]. The green line , indicates concentration required to optimise plasma GPx activity according to Duffield et al. (90.01 μg/L) [7]. The yellow line , indicates concentration required to optimise plasma GPx activity according to the WHO (63.16 μg/L) [61].

Se status (Middle East regions) versus Se concentration required to optimise plasma GPx activity. ^^ calculated average; ^# not clear if it is a mean value; f = female; m = male; ^## sex not established. The red line , indicates concentration required to optimise plasma GPx activity according to Alfthan et al. (98.7 μg/L) [8]. The green line , indicates concentration required to optimise plasma GPx activity according to Duffield et al. (90.01 μg/L) [7]. The yellow line , indicates concentration required to optimise plasma GPx activity according to the WHO (63.16 μg/L) [61].