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Postoperative time course of the serum concentrations of (a) tartrate-resistant acid phosphatase 5b, (b) osteocalcin, (c) bone-specific alkaline phosphatase, (d) N-terminal telopeptide of type I collagen, and (e) C-terminal telopeptide of type I collagen at 12 weeks after surgery. The data are shown as absolute values. Each data point is a mean
