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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 (https://creativecommons.org/licenses/by/4.0/).
The inhibition of bacteria (E. coli and S. aureus) grown for 24 h in the presence of Ca9.5–xSrxCu(PO4)7. The positive control (ctr) is represented by the growth of each bacteria strain in the absence of phosphates.