Content advisory
This digitised material is free to access, but contains information or visuals that may:
- include personal details of living individuals
- be upsetting or distressing
- be explicit or graphic
- include objects and images of objects decontextualised in a way that is offensive to the originating culture.
A present view of the Rh blood groups, Robert Race and Ruth Sanger
- Date:
- 1961
- Reference:
- PP/SAR/C/64
Licence: In copyright
Credit: A present view of the Rh blood groups, Robert Race and Ruth Sanger. Source: Wellcome Collection.
15/31
