PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2730235-5 1989 Data obtained indicate that morphine administration during the light phase resulted in a significant increase (p less than 0.01) in AChE activity in the colon, with no significant effect on the stomach, duodenum or the ileum. Morphine 28-36 acetylcholinesterase Rattus norvegicus 132-136