Gan zi wu sequence in the yin channels
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Gan zi wu sequence in the yin channels. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Gan zi wu sequence in the yin channels. Wellcome Collection. Source: Wellcome Collection.