PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2527906-1 1989 Fischer 344 rats at various ages throughout the life span have been treated with growth hormone, clonidine, and insulin-like growth factor-I to restore circulating somatomedin levels in old animals to levels found in younger rats. Clonidine 97-106 insulin-like growth factor 1 Rattus norvegicus 164-175