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The cross-sectional microstructure of (a) PMMA bone cement, (b) 10SrBG/PMMA and (c) 30SrBG/PMMA composite cements (the black arrows indicate the SrBG particles). EDS analysis of the elements (d) Si and (e) Ca shows that SrBG particles are dispersed in the 30SrBG/PMMA composite cement. (Online version in colour.)
