PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
20491334-4	2010	Comparative analysis of frequency of p53 occurrence in serum in three studied group has been done with respect to nicotine addiction in COPD and NSCLC groups.	Nicotine	114-122	tumor protein p53	Homo sapiens	37-40