Figure 8

Assessment of publication bias. (A) Funnel plot for the ORR of Endostar combined with PBDC versus PBDC alone; (B) Funnel plot for the DCR of Endostar combined with PBDC versus PBDC alone; (C) Begg’s publication bias plot for the ORR of Endostar combined with PBDC versus PBDC alone; (D) Egger’s publication bias plot for the ORR of Endostar combined with PBDC versus PBDC alone.