| PTH | parathyroid hormone |
| 1,25(OH)2D | 1,25-dihydroxyvitamin D |
| FGF23 | Fibroblast Growth Factor 23 |
| VDR | vitamin D receptor |
| CTX | type 1 collagen cross-linked C-telopeptide |
| BALP | bone alkaline phosphatase |
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