PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1506033-9 1992 Nifedipine, naloxone and DMSO produced a decrease in AchE activity in S1 and S2 segments. Nifedipine 0-10 acetylcholinesterase (Cartwright blood group) Homo sapiens 53-57