Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Red blood cells forming rouleaux. Jonathan Armstrong. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/N0024946/full/800%2C/0/default.jpg)
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Red blood cells forming rouleaux. Jonathan Armstrong. Source: Wellcome Collection.