Licence: Public Domain Mark
Credit: Section of diseased lung and ossification of lung. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0033038/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Section of diseased lung and ossification of lung. Wellcome Collection. Source: Wellcome Collection.