. 2022 Sep 23;101(38):e30607. doi: 10.1097/MD.0000000000030607
Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.
This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
The flowchart of screening of patients in SEER database.