Laennec stethoscope of 1819
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Laennec stethoscope of 1819. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Laennec stethoscope of 1819. Wellcome Collection. Source: Wellcome Collection.