Figure 3From: MUSiCC: a marker genes based framework for metagenomic normalization and accurate profiling of gene abundances in the microbiome Spurious inter-sample variation in the functional metagenome of healthy gut microbiome samples across three independent studies. The median relative abundance of USiCGs across the different studies (A) and the relative abundance of USiCGs within each study (B) are illustrated. Boxes and whiskers are defined as in Figure 1.Back to article page