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Credit
Lettre aux médecins français sur l'homoeopathie : suivie des moyens homoeopathiques de guérir le choléra et de s'en préserver / par le comte S. des Guidi. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.