PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6609270-6 1983 These observations suggest that C3b deposition on the cellulosic membrane surface during first use markedly diminishes the complement activating potential of cuprophan dialyzers when they are subsequently re-used. cuprammonium cellulose 158-167 endogenous retrovirus group K member 3 Homo sapiens 32-35