Samples of anti-diphteritic serum
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Samples of anti-diphteritic serum. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Samples of anti-diphteritic serum. Wellcome Collection. Source: Wellcome Collection.