PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16381997-9 2006 In 18 PTX patients, postoperative FGF-23 levels were significantly decreased compared with preoperative levels. ptx 6-9 fibroblast growth factor 23 Homo sapiens 34-40 16381997-10 2006 Corrected-calcium levels were significantly decreased 1 h after PTX, and this was followed by a reduction in plasma FGF-23 levels in time-course study. ptx 64-67 fibroblast growth factor 23 Homo sapiens 116-122 16381997-11 2006 In addition, postoperative FGF-23 levels in 18 PTX patients were significantly correlated with corrected calcium, consistent with a role of serum calcium as one of the major regulators of FGF-23. ptx 47-50 fibroblast growth factor 23 Homo sapiens 27-33