PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11818770-8 2002 The alpha2-adrenoceptor antagonist yohimbine inhibited isoflurane antinociception, and this effect was mediated by spinal alpha2 adrenoceptors. Yohimbine 35-44 adrenergic receptor, alpha 2a Mus musculus 122-142