PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8154624-9 1993 It has been shown that chronic exposure to NH4F vapours causes a rise in the activity of studied aminotransferases and alkaline phosphatase, and a decreases in activity of cholinesterase. ammonium fluoride 43-47 butyrylcholinesterase Rattus norvegicus 172-186