Testing antipneumoccus serum for potency. The Public Health Service keeps a close check on the commercial production... - NARA - 522916

Testing antipneumoccus serum for potency. The Public Health Service keeps a close check on the commercial production... - NARA - 522916

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Author: Underwood & Underwood    Source: commons.wikimedia.org

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historyhistoricalpneumoniavaccineskiptaglaboratories in the united statesphysicians from the united statespeople with lab coats1920 in the united statesunited states public health service personnel1920 in medicine

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