PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24091465-4 2014 The second outcome was the nitrogen phase III slope (SN2), an index of global ventilation heterogeneity derived from the tidal nitrogen SBW test using pure oxygen. Oxygen 156-162 solute carrier family 38 member 5 Homo sapiens 53-56