Map: incidence of pellagra in Northwest Italy.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Map: incidence of pellagra in Northwest Italy. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Map: incidence of pellagra in Northwest Italy. Wellcome Collection. Source: Wellcome Collection.