Stethoscope 19th century, A. Clark.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Stethoscope 19th century, A. Clark. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Stethoscope 19th century, A. Clark. Wellcome Collection. Source: Wellcome Collection.