Fig. 1From: Comparison of fecal and oral collection methods for studies of the human microbiota in two Iranian cohortsPercent microbial variability explained by subject (darkest grey), location (medium-to-dark grey), sample collection method (medium-to-light grey), and day (light grey) was calculated for beta-diversity estimates from Bray-Curtis, unweighted UniFrac, weighted UniFrac, and generalized UniFrac using a distance-based coefficient of determination (R2)Back to article page