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. 2013 Dec 20;8(12):e84413. doi: 10.1371/journal.pone.0084413

Figure 3. Funnel plot analysis and Egger’s test to detect publication bias in different contrast models.

Figure 3

Each point represents a separate study for the indicated association. a Funnel plot and Egger’s test for contrast A vs. G; b Funnel plot and Egger’s test for contrast AA vs. GG; c Funnel plot and Egger’s test for contrast AG vs. GG; d Funnel plot and Egger’s test for contrast AG+AA vs. GG; e Funnel plot and Egger’s test for contrast AA vs. GG+AG.