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. 2020 Oct 29;7:568020. doi: 10.3389/fmed.2020.568020

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Copyright © 2020 Cameli, Caffarelli, Refini, Bergantini, d'Alessandro, Armati, Tomai Pitinca, Sestini, Gonnelli and Bargagli.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Comparison of 24-h urinary calcium concentrations among radiological stages of sarcoidosis. No statistically significant differences of urinary calcium concentration were observed among the subgroups.