PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
8297116-1	1993	A monoclonal anti-CEA secreting hybridoma (11-285-14) was made hypoxanthine, aminopterin and thymidine (HAT) sensitive by back selecting it in increasing concentrations of 8-azaguanine.	Azaguanine	172-184	carcinoembryonic antigen gene family	Mus musculus	18-21	
8297116-2	1993	Eight 8-azaguanine resistant fusion partners were selected based on growth characteristics and continued anti-CEA production.	Azaguanine	6-18	carcinoembryonic antigen gene family	Mus musculus	110-113