PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24864466-6 2014 In patients with different stages of CKD, the increase in FGF-23 levels, as glomerular filtration rate reduced, outstripped that in the serum levels of phosphorus and intact parathyroid hormone. Phosphorus 152-162 fibroblast growth factor 23 Homo sapiens 58-64