PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16725127-4 2006 Herein, we investigated the effects of acute and chronic nicotine treatments on the chronic-stress-induced impairment of LTP in area CA1 of the hippocampus of urethane-anesthetized rats. Urethane 159-167 carbonic anhydrase 1 Rattus norvegicus 133-136