Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Chinese/Japanese Pulse Image chart: Hollow Pulse (koumai). Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Chinese/Japanese Pulse Image chart: Hollow Pulse (koumai). Wellcome Collection. Source: Wellcome Collection.