PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
19760281-8	2009	The reinforcement enhancing effect of nicotine, but not bupropion, was blocked by pretreatment with the nicotinic acetylcholine receptor antagonist mecamylamine.	Nicotine	38-46	cholinergic receptor nicotinic alpha 2 subunit	Rattus norvegicus	104-136