PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34132894-1 2022 BACKGROUND: Rituximab is a chimeric anti-CD20 monoclonal antibody that induces sustained remission in children with steroid-dependent nephrotic syndrome. Steroids 116-123 keratin 20 Homo sapiens 41-45