Figure 1. Physiology of PTH.
1,25-DOH-Vit-D: 1,25 dihydroxy hydroxycholecalciferol; 25-OH-Vit-D: 25 monohydroxy hydroxycholecalciferol; CKD: chronic kidney disease; FGF: fibroblast factor; PTH: parathyroid hormone; Vit D: vitamin D
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