PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29116921-9 2009 The concentrations of CO2 and NOx from B10 were quite similar to those from diesel. Nitrogen Oxides 30-33 ectonucleotide pyrophosphatase/phosphodiesterase 3 Homo sapiens 39-42