PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
16304400-7	2005	Other studies in NHL have clearly demonstrated that radiolabeled anti-CD20 antibodies (such as I-131 tositumomab and Y-90 ibritumomab tiuxetan) may be useful in relapsed and refractory disease, and have potential utility as part of initial treatment as well.	Iodine-131	95-100	keratin 20	Homo sapiens	70-74