Research Article

Polyvinyl Alcohol Hydrogel Irradiated and Acetalized for Osteochondral Defect Repair: Mechanical, Chemical, and Histological Evaluation after Implantation in Rat Knees

Figure 5

Mean concentrations of calcium, phosphorus, and sulphur found in the implanted plugs according to follow-up time (EGs) and PVA not implanted in vivo (GC00). Confidence level ( ) was obtained through Anova multiple comparison analysis statistics.
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