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Credit
Dr. Ballard's report upon an acute specific diseases, characterised by a peculiar diarrhoea, epidemic among persons who had partaken of refreshments provided at a sale on the Duke of Portland's estate, at Welbeck, Notts. Public Domain Mark. Source: Wellcome Collection.
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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.