PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
29297092-6	2018	Expression of COX-2 was studied by immunohistochemistry of formalin-fixed paraffin-embedded tissue samples of 20 melanomas.	Paraffin	74-82	prostaglandin-endoperoxide synthase 2	Homo sapiens	14-19