Does vaccination prevent smallpox? : a lesson taught from the Gloucester epidemic / by C.R. Drysdale.
- Drysdale, Charles R. (Charles Robert), 1829-1907.
- Date:
- 1896
Licence: Public Domain Mark
Credit: Does vaccination prevent smallpox? : a lesson taught from the Gloucester epidemic / by C.R. Drysdale. Source: Wellcome Collection.
7/12 (page 7)