Context

Context of I. Deterioration of typhoid vaccine, by G.W. McCoy and Ida A. Bengtson. II. Standardization of gas gangrene antitoxin, by Ida A. Bengtson. III. Potency of bacterial vaccines suspended in oil (lipovaccines), by Ida A. Bengtson. [U.S. Hygienic Laboratory Bulletin No. 122. July 1920.].
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