On July 1st, Dr. Hideaki Oka was promoted to professor at Saitama Medical University, Department of General internal medicine and Infectious diseases. Saitama medical center.
![](https://ccidr-saitama.com/wp-content/uploads/2020/09/岡先生顔写真 最新版-scaled.jpg)
On July 1st, Dr. Hideaki Oka was promoted to professor at Saitama Medical University, Department of General internal medicine and Infectious diseases. Saitama medical center.