John Shaw Billings (1838-1913). American surgeon
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: John Shaw Billings (1838-1913). American surgeon. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: John Shaw Billings (1838-1913). American surgeon. Wellcome Collection. Source: Wellcome Collection.