David David V V Martin Martin A A Isakova Isakova T T Spaulding Spaulding C C Qi Qi L L Ramirez Ramirez V V Inflammation and functional iron deficiency regulate fibroblast growth factor 23 production Inflammation and functional iron deficiency regulate fibroblast growth factor 23 production Kidney Int Kidney Int 2016 2016 89 89 135 135 46 46 10.1038/ki.2015.290 10.1038/ki.2015.290 26535997 26535997. This evidence concerns the gene FGF23 and nutritional disorder.