Fig. 6
Histograms and fitted density curves of centered log-ratios of two OTUs (bacteria 2434 and bacteria 2831), red for smokers and blue for non-smokers
Fig. 6 | BMC Bioinformatics
Histograms and fitted density curves of centered log-ratios of two OTUs (bacteria 2434 and bacteria 2831), red for smokers and blue for non-smokers