Retraction: Effects of chewing gum for tear production in healthy young subjects

Abstract

Retraction: Asakawa, K., Ooka, H., Honda, M., Yanagiuchi, K., Yoshimura, K., and Ishikawa, H. (2021), Effects of chewing gum for tear production in healthy young subjects. Acta Ophthalmol, 99: e1539-e1540. https://doi.org/10.1111/aos.14834. The above article, published online on 01 March 2021 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the authors, the journal Editors in Chief Kai Kaarniranta and Einar Stefánsson, and John Wiley and Sons Ltd. The retraction has been agreed because the authors did not secure the required approval for clinical trials/research involving human subjects by the institute's ethics committee. The corresponding author Ken Asakawa agrees to the retraction as the responsible author. The other coauthors could not be reached.