Fig. 3From: Exploring the association of IL-10 polymorphisms in Behcet’s disease: a systematic review and meta-analysisBegg’s funnel plot for publication bias analysis of the IL-10 polymorphisms with BD. Symmetry in Begg’s funnel plots demonstrate the absence of publication bias in the studies investigating the association of (a) rs1800896 (b) rs1800871 (c) rs1800872 (d) rs1518111Back to article page