PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16903670-3 2006 A series of novel biodegradable copolymers with different compositions were characterized by (1)H NMR, (13)C NMR, and GPC. copolymers 32-42 glycophorin C (Gerbich blood group) Homo sapiens 118-121