PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24729219-4 2014 Using electron paramagnetic resonance (EPR) to assess in vivo oxygen concentration in tumors repeatedly and non-invasively, we found that mNPH increased tumor pO2 from 3.5 to 68.8 mmHg on average for up to 10 days. PO-2 159-162 tensin 2 Mus musculus 138-142