Fig. 9From: Comparison of the effects of fibrates versus statins on plasma lipoprotein(a) concentrations: a systematic review and meta-analysis of head-to-head randomized controlled trialsFunnel plot detailing publication bias in the studies reporting the impact of fibrate versus statin monotherapy on plasma Lp(a) concentrations. Open circles represent observed published studies; closed circles represent imputed unpublished studiesBack to article page