A plasmid coding for the anthrax toxin has been found in a sample of
The study grew out of a Centers for Disease Control and Prevention (CDC) review of reported cases of unusually severe illnesses caused by these or other
A plasmid coding for the anthrax toxin has been found in a sample of
The study grew out of a Centers for Disease Control and Prevention (CDC) review of reported cases of unusually severe illnesses caused by these or other