FIG 3.
Comparison of fluorescent PCR ribotyping data for 12 F ribotypes across four different laboratories (sites) and two different sequencing centers. Mean Bray-Curtis dissimilarities (BCDs) are shown for different F ribotypes (symbols) along with 95% confidence limits (error bars). Asterisks indicate F ribotypes for which BCDs from at least one site differed from those from at least one other site.