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.
MRPs using restriction endonucleases SmaI (A), KpnI (B), and BamHI (C) of isolates representing serotypes O:12; O:19; O:2, and O:4. The numbers above the SmaI photographs refer to isolate numbers listed in Table 1. Molecular weight marker, λ ladder.
