PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17461736-6 2007 Anti-CD20+ monoclonal antibody therapy (rituximab) aiming at depleting B cells and suppressing antibody production has been used as rescue therapy in some episodes of steroid- and antilymphocyte-resistant humoral rejection. Steroids 167-174 keratin 20 Homo sapiens 5-9