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Credit
Gesammelte Werke von Robert Koch. Unter Mitwirkung von G. Gaffky und E. Pfuhl / herausgegeben von J. Schwalbe. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.
Provider
This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.