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. 2014 Mar 4;8:84. doi: 10.1186/1752-1947-8-84

Figure 1.

Figure 1

Bone turnover markers pre- and post-parathyroidectomy. Top panel: Serial changes prior to parathyroidectomy in bone resorption marker (urinary N-terminal cross-linking telopeptide of type I collagen) and a bone formation marker (serum procollagen type-I N-propeptide. Lower panel: Serial changes after parathyroidectomy in bone resorption markers (urinary C-terminal cross-linking telopeptides) and a bone formation marker (serum procollagen type-I N-propeptide). Reference ranges are denoted by stippled boxes along vertical axes. Abbreviations: BTM, bone turnover markers; CTxurinary C-terminal cross-linking telopeptides; mMCr, mmol creatinine; nMBCE, nmol Bone Collagen Equivalents; NTx, urinary N-terminal cross-linking telopeptide of type I collagen; PINP, serum procollagen type-I N-propeptide.