PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28625444-12 2017 Factors associated with conversion from nitrous oxide to neuraxial blockade were labor induction (aRR=2.0, CI 1.2-3.3) and labor augmentation (aRR=1.7, CI 1.0-2.9). Nitrous Oxide 40-53 arrestin beta 2 Homo sapiens 98-103