PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9464869-9 1997 Plasma C3a des Arg levels arose to 2037 +/- 120 ng/ml, 1216 + 434 ng/ml and 46 +/- 55 ng/ml with acetate-, benzyl-cellulose and polysulfone, respectively. Acetates 97-106 complement C3 Homo sapiens 7-10