Retrospective Study
Copyright ©The Author(s) 2019.
World J Clin Oncol. Apr 24, 2019; 10(4): 166-182
Published online Apr 24, 2019. doi: 10.5306/wjco.v10.i4.166
Figure 1
Figure 1 Flow chart of the number and selection of patients/controls in the study population.