Retrospective Cohort Study
Copyright ©The Author(s) 2022.
World J Clin Cases. Nov 16, 2022; 10(32): 11726-11742
Published online Nov 16, 2022. doi: 10.12998/wjcc.v10.i32.11726
Figure 1
Figure 1 Flowchart of data selection. SEER: Surveillance, Epidemiology, and End Results; TSCC: Tongue squamous cell carcinoma.