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The cell viability of antibacterial titanium alloys (data from Refs. [52,73,253,261,263,265,270,273,285,312]). Note: The cell viability was expressed by a relatively growth rate (RGR). RGR = 75%–100% is cell toxicity grade 1 and RGR≥100% is cell toxicity grade 0 (grade 0–1 means no cytotoxicity).
