AUTHOR=Ungerfeld Emilio M. TITLE=Corrigendum: A theoretical comparison between two ruminal electron sinks JOURNAL=Frontiers in Microbiology VOLUME=0 YEAR=2014 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2014.00235 DOI=10.3389/fmicb.2014.00235 ISSN=1664-302X