. 2021 Nov 6;61(2):233–236. doi: 10.2169/internalmedicine.8163-21
Copyright © 2022 by The Japanese Society of Internal Medicine
The Internal Medicine is an Open Access journal distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view the details of this license, please visit (https://creativecommons.org/licenses/by-nc-nd/4.0/).