AUTHOR=Stoicescu Stella-Theresa , Lips Urmas , Liblik Taavi TITLE=Corrigendum: Assessment of Eutrophication Status Based on Sub-Surface Oxygen Conditions in the Gulf of Finland (Baltic Sea) JOURNAL=Frontiers in Marine Science VOLUME=6 YEAR=2019 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2019.00233 DOI=10.3389/fmars.2019.00233 ISSN=2296-7745