Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean proportions of the microbial species described by Socransky et al. [3] in the two treatment groups at baseline and 1 year. The significance of differences between groups was determined by the Mann-Whitney test (different letters = p < 0.05), and within each group (between the two time points) by the Wilcoxon test (*p < .05).
