Evidence Review
Copyright ©The Author(s) 2021.
World J Virol. Sep 25, 2021; 10(5): 209-216
Published online Sep 25, 2021. doi: 10.5501/wjv.v10.i5.209
Figure 2
Figure 2 Funnel plot in 12 Chinese studies (P value of Egger test = 0. 013).