Licence: CC0 1.0 Universal
Credit: Human insulin-like growth factor 1,mol.model. T.Blundell & N Campillo. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/B0002705/full/800%2C/0/default.jpg)
Licence: CC0 1.0 Universal
Credit: Human insulin-like growth factor 1,mol.model. T.Blundell & N Campillo. Source: Wellcome Collection.