List of sources:
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Burrows, E.H. A history of medicine in South Africa up to the end of the nineteenth century. Cape Town: Balkema, 1958.
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Dr John Atherstone. Geni. Retrieved on 16 January 2023 from https://www.geni.com/people/Dr-John-Atherstone-SV-PROG/6000000002898231609
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