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.
Correlations among F antigen-specific papA alleles and other VF genes for 182 E. coli bacteremia isolates. Only those papA alleles that yielded at least one correlation at the P ≤ 0.01 level are shown. Significance levels: −, P > 0.01; +, P ≤ 0.01; ++, P ≤ 0.001. (Parentheses denote negative associations.)
