Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Bloodletting scene by N. Keyland, 1922. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Bloodletting scene by N. Keyland, 1922. Wellcome Collection. Source: Wellcome Collection.