PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19226352-5 2009 Regarding serum parathyroid hormone (PTH) levels, the increase observed in the CG was higher than the changes observed in the other two groups but the differences were of marginal significance (P = 0.055). cysteinylglycine 79-81 parathyroid hormone Homo sapiens 16-35