Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Sir R Ross, W.C. Gorgas and Henry Claye Weeks. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Sir R Ross, W.C. Gorgas and Henry Claye Weeks. Wellcome Collection. Source: Wellcome Collection.