PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
26489498-2	2015	Rituximab, the most widely used anti-CD20 antibody in routine clinical practice, led not only to improvement of progression-free survival, but also to improvement of overall survival in previously untreated patients with good performance status in combination with fludarabine and cyclophosphamide.	Cyclophosphamide	281-297	keratin 20	Homo sapiens	37-41