PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34038754-5 2021 Nicotine withdrawal symptoms were precipitated by an acute injection of mecamylamine, a nonspecific nAChR antagonist, following chronic nicotine consumption. Mecamylamine 72-84 cholinergic receptor, nicotinic, alpha polypeptide 7 Mus musculus 100-105