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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/).
XRD patterns of the cellulose/HA nanocomposites prepared by microwave-assisted hydrothermal method at 180 °C for 10 min using different phosphorus sources: (a) NaH2PO4·2H2O; (b) ATP; (c) CP; (d) FBP.