PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14507273-6 2003 RESULTS: Oral Ca induced dose-sensitive changes in parathyroid hormone (iPTH), total (tCa), and ionized (iCa) calcium levels. ipth 72-76 parathyroid hormone Homo sapiens 51-70