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.
Cell attachment on control and test groups after 4 h: The same lowercase letter indicates no significant differences (p > 0.05), and different lowercase letters indicate significant differences (p < 0.05), where the greater cellular attachment is higher in alphabetical order (i.e., “b” is significantly greater than “a” and so on).
