PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12225954-6 2002 Exposure to 100% oxygen for 72 h resulted in a significant decrease in EC-SOD levels in the lungs and bronchoalveolar lavage fluid of mice. Oxygen 17-23 superoxide dismutase 3, extracellular Mus musculus 71-77