PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20606413-9 2010 CONCLUSION: Fluctuations in Ret-He and DF-HYPO XE have to be taken into account when these parameters are used for the assessment of iron-deficient states. Iron 133-137 ret proto-oncogene Homo sapiens 28-31