Isakova Isakova T T Wahl Wahl P P Vargas Vargas GS GS Gutierrez Gutierrez OM OM Scialla Scialla J J Xie Xie H H Fibroblast growth factor 23 is elevated before parathyroid hormone and phosphate in chronic kidney disease Fibroblast growth factor 23 is elevated before parathyroid hormone and phosphate in chronic kidney disease Kidney Int Kidney Int 2011 2011 79 79 12 12 1370 1370 1378 1378 10.1038/ki.2011.47 10.1038/ki.2011.47 supplied-pmid 21389978? This evidence concerns the gene PTH and chronic kidney disease.