PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10076548-3 1998 These actions are anti-analgesic, because OFQ/N also blocked clonidine analgesia and OFQ/N was inactive against the inhibition of gastrointestinal transit by morphine. Clonidine 61-70 prepronociceptin Mus musculus 42-47