PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6892055-3 1980 It is thought that endogenous estradiol and progesterone, acting independently and/or synergistically through their receptor systems, induce central acetylcholinesterase activity levels in the intact female rat. Progesterone 44-56 acetylcholinesterase Rattus norvegicus 149-169