Chinese manuscript Yu-t'ien Wang Ch'ing-jen chu.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Chinese manuscript Yu-t'ien Wang Ch'ing-jen chu. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Chinese manuscript Yu-t'ien Wang Ch'ing-jen chu. Wellcome Collection. Source: Wellcome Collection.