Fig. 2From: Association between cyclooxygenase-2 (COX-2) 8473 T > C polymorphism and cancer risk: a meta-analysis and trial sequential analysisa. Funnel plots for the publication bias test in the overall analysis under homozygote comparison. b. Funnel plots for the publication bias test in the overall analysis under heterozygote comparison. c. Funnel plots for the publication bias test in the overall analysis under dominant model. d. Funnel plots for the publication bias test in the overall analysis under recessive model. e. Funnel plots for the publication bias test in the overall analysis under allele analysisBack to article page