AUTHOR=Schallner Nils , Otterbein Leo E. TITLE=Friend or foe? Carbon monoxide and the mitochondria JOURNAL=Frontiers in Physiology VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2015.00017 DOI=10.3389/fphys.2015.00017 ISSN=1664-042X