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.
The results of binding assays of group C N. meningitidis cell with 1:100 diluted normal serum (NS) or 1:100 pooled antisera derived from mice immunized with 1, 2, 3 and 4. The error bar shows the standard deviation of three parallel experiments. The difference between NS and all of the antisera against 1–4 was statistically significant (P < 0.05).
