Figure 2.
Biofilm formation test [From left to right: Negative control (c), the second (grade 1+), the third (grade 2+), and the fourth (grade 3+)]
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.