An essay on the history of electrotherapy and diagnosis / [Hector A. Colwell].
- Colwell, Hector A. (Hector Alfred), 1875-
- Date:
- 1922
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: An essay on the history of electrotherapy and diagnosis / [Hector A. Colwell]. Wellcome Collection. Source: Wellcome Collection.
