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. 2019 Jan 29;11(2):288. doi: 10.3390/nu11020288

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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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Overlaid mineral intake distributions from lactating (dashed curved line) and non-lactating (solid curved line) women assessed by 24-h dietary recall for minerals with estimated average requirements (EARs). Vertical lines represent EARs for minerals for lactating women (dashed line) and non-lactating women (solid line), the dotted vertical line represents EARs that do not differ with lactation in the case of calcium. Two-sample t-tests were used to compare mean intake differences for each mineral: (A) calcium (p = 0.004), (B) iron (p = 0.54), and (C) zinc (p = 0.89).