PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1865507-15 1991 Investigation of influencing factors on response to EPO suggests that 1) TIW group had a better response than BIW group 2) Response was better in patients with more adequate iron status and less severe Al burden. Iron 174-178 erythropoietin Homo sapiens 52-55 1865507-18 1991 Dosing regimen, iron status, and serum Al will influence the response to EPO. Iron 16-20 erythropoietin Homo sapiens 73-76