AUTHOR=Jabeen Muafia , Ahmad Sajjad , Shahid Khadija , Sadiq Abdul , Rashid Umer TITLE=Corrigendum: Ursolic Acid Hydrazide Based Organometallic Complexes: Synthesis, Characterization, Antibacterial, Antioxidant, and Docking Studies JOURNAL=Frontiers in Chemistry VOLUME=6 YEAR=2018 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2018.00343 DOI=10.3389/fchem.2018.00343 ISSN=2296-2646