. 2017 May 1;56(9):1071–1077. doi: 10.2169/internalmedicine.56.7923
Copyright © 2017 by The Japanese Society of Internal Medicine
The Internal Medicine is an Open Access article 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/).
Figure 1.
A photograph of the bilateral hands and knees.