Retrospective Cohort Study
Copyright ©The Author(s) 2020.
World J Clin Cases. Jan 6, 2021; 9(1): 24-35
Published online Jan 6, 2021. doi: 10.12998/wjcc.v9.i1.24
Figure 1
Figure 1 Study flow diagram of selection process. ICD-O-3: The third edition of the International Classification Disease for Oncology; WHO: World Health Organization.