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. 2017 May 4;15(3):214–221. doi: 10.1007/s11914-017-0368-x

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© The Author(s) 2017

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 1 — Calcium balance by elemental calcium intake in adult patients with CKD [6•, 7•]. The bottom and top of each box represent the 25th and 75th percentile, respectively; the horizontal line in each box represents the median, and the bars represent the range. *1500 mg was from calcium carbonate