AUTHOR=Yao Bangtao , Wang Fei , Zhao Xiaogui , Wang Bei , Yue Xiaoli , Ding Yuhua , Liu Gang TITLE=Corrigendum: Effect of a Topical Nonsteroidal Anti-Inflammatory Drug (0.1% Pranoprofen) on VEGF and COX-2 Expression in Primary Pterygium JOURNAL=Frontiers in Pharmacology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2021.743733 DOI=10.3389/fphar.2021.743733 ISSN=1663-9812