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Credit
Die Kuhpocken-Impfung; eine Beantwortung der vom General Board of Health in London aufgestellten Fragen. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.