Karel Frederic Wenckebach demonstrates a boy's heartbeat to a medical class: students listen through stethoscopes connected to a machine. Process print, ca. 1925.
- Date:
- [1925?]
- Reference:
- 569214i
Licence: In copyright
Credit: Karel Frederic Wenckebach demonstrates a boy's heartbeat to a medical class: students listen through stethoscopes connected to a machine. Process print, ca. 1925. Wellcome Collection. Source: Wellcome Collection.
