FIG. 4.
Cytopathogenicity of L. pneumophila AA400 (Δasd), AA400c, and AA100 (wild type) to U937 macrophage-like cells. Error bars cannot be seen due to their small values.
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.