PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7121056-1 1982 The retrograde fluorescent tracing technique was combined with the di-isopropylfluorophosphate (DFP) histochemical procedure for acetylcholinesterase (AChE). Isoflurophate 96-99 acetylcholinesterase Rattus norvegicus 151-155