Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Mouth and gums of a lead-mill worker. St Bartholomew's Hospital Archives & Museum. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Mouth and gums of a lead-mill worker. St Bartholomew's Hospital Archives & Museum. Source: Wellcome Collection.