PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6549409-4 1984 The NPY induction of food intake was suppressed by the opiate antagonist, naloxone, and by the dopamine antagonist, haloperidol. Opiate Alkaloids 55-61 neuropeptide Y Rattus norvegicus 4-7