Yearly output of diphtheria antitoxin
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Yearly output of diphtheria antitoxin. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Yearly output of diphtheria antitoxin. Wellcome Collection. Source: Wellcome Collection.