PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8605672-3 1996 Sialic acid-deficient transferrin fractions are collected in the eluate, and transferrin is then quantified by a rate-nephelometric technique. N-Acetylneuraminic Acid 0-11 transferrin Homo sapiens 22-33