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Credit
Blattern und Schutzpockenimpfung : Denkschrift zur Beurtheilung des Nutzens des Impfgesetzes vom 8. April 1874 und zur Würdigung der dagegen gerichteten Angriffe / Beirbeitet im Kaiserlichen Gesundheitsamte. Public Domain Mark. 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.