Licence: Public Domain Mark
Credit: Sir Edward Mellanby. Photograph by J. Russell & Sons, 1943. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/M0013348/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Sir Edward Mellanby. Photograph by J. Russell & Sons, 1943. Wellcome Collection. Source: Wellcome Collection.