PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
12686777-4	2003	Also, COX-2 expression was detected by an immunohistochemical method in 55 paraffin-embedded gastric adenocarcinoma tissues.	Paraffin	75-83	prostaglandin-endoperoxide synthase 2	Homo sapiens	6-11