Abstract
Summary
Anthrax immune serum containing P precipitin exerts a specific effect on the capsule of anthrax bacilli. Following the addition of a small quantity of this immune serum to the suspension of encapsulated anthrax bacilli, the capsular material is specifically affected and becomes visible in unstained preparates. This is the final proof of the existence of a separate antibody in specially prepared immune serum acting in a specific way on the capsule of anthrax bacilli.
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