Licence: Public Domain Mark
Credit: Pierre Richet (1904-1983). Photograph by L.J. Bruce-Chwatt. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0028013/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Pierre Richet (1904-1983). Photograph by L.J. Bruce-Chwatt. Wellcome Collection. Source: Wellcome Collection.