G.G. Turner and colleagues, Royal Victoria Infirmary.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: G.G. Turner and colleagues, Royal Victoria Infirmary. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0028798/full/800%2C/0/default.jpg)
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: G.G. Turner and colleagues, Royal Victoria Infirmary. Wellcome Collection. Source: Wellcome Collection.