The semi-centennial of anaesthesia : October 16, 1846, October 16, 1896.
- Massachusetts General Hospital.
- Date:
- 1897
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: The semi-centennial of anaesthesia : October 16, 1846, October 16, 1896. Wellcome Collection. Source: Wellcome Collection.