Martindale's Bacteriological Test Case
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Martindale's Bacteriological Test Case. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Martindale's Bacteriological Test Case. Wellcome Collection. Source: Wellcome Collection.