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Credit
Vaccination considered in relation to the public health : with inquiries and suggestions thereon. A letter addressed to the Right Honourable the Lord Viscount Morpeth, first commissioner of Her Majesty's woods & forests / by John Marshall. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.