PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2141111-6 1990 The changes in potential produced by low concentrations of serotonin and by these agonists were blocked by the 5-HT1A receptor antagonists spiperone and spiroxatrine. Spiperone 139-148 5-hydroxytryptamine receptor 1A Homo sapiens 111-126