Chinese manuscript Chen-chu-nang yao-hsing fu.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Chinese manuscript Chen-chu-nang yao-hsing fu. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Chinese manuscript Chen-chu-nang yao-hsing fu. Wellcome Collection. Source: Wellcome Collection.