正气存内，邪不可干 · Classica Sinica — Medicine

Classica SinicaClassica Sinica — Medicine

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Classica Sinica — Medicine

Two thousand years of Chinese medical classics, read side-by-side in three languages.

© 2026 Classica Sinica — Medicine

正气存内，邪不可干 · Classica Sinica — Medicine