Fig. 5From: Reliability of a participant-friendly fecal collection method for microbiome analyses: a step towards large sample size investigationLog base 10 of gene copy number per gram of feces of Bacteroides spp. a, Bifidobacterium spp. b and Clostridium cluster IV (c) quantified by real-time PCR for the different collection and DNA extraction kits (***P < 0.001)Back to article page