Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Conical flask with black liquid. Adrian Wressell, Heart of England NHS FT. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Conical flask with black liquid. Adrian Wressell, Heart of England NHS FT. Source: Wellcome Collection.