Honorary Editor-in-Chief
![](https://oaepublishstorage.blob.core.windows.net/bb82dfd3-42bc-43d7-a2e4-8b8d82ff5d26/Masao Omata-20220921.jpg)
Department of Gastroenterology, University of Tokyo, Tokyo, Japan.
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Research Interests
hepatology, gastroenterology, oncology
All published articles are preserved here permanently:
https://www.portico.org/publishers/oae/