PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20550136-7 2010 Human erythropoietin (hEPO) bearing highly sialylated oligosaccharide was shown to display a much longer plasma half-life, resulting in high therapeutic efficacy. Oligosaccharides 54-69 erythropoietin Homo sapiens 6-20