AUTHOR= Frontiers Editorial Office TITLE=Retraction: DEAD-Box Helicase 5 Interacts With Transcription Factor 12 and Promotes the Progression of Osteosarcoma by Stimulating Cell Cycle Progression JOURNAL=Frontiers in Pharmacology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2019.01657 DOI=10.3389/fphar.2019.01657 ISSN=1663-9812