PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10525057-7 1999 However, a 5-hydroxytryptamine-1A subtype (5-HT(1A)) receptor agonist, 8-hydroxydipropylaminotetralin, reversed morphine antinociception equally in the two strains. Morphine 112-120 5-hydroxytryptamine (serotonin) receptor 1A Mus musculus 11-61