Context

Context of I. The use of cooked meat medium for the detection of C. tetani, by Ida A. Bengtson. II. Studies on the potency testing of pneumococcus vaccines, by Ida A. Bengtson. III. The adaptability of various American peptones for use in cholera media, by Ida A. Bengtson. [U.S. Hygienic Laboratory Bulletin No. 139. November 1924.].