《此事难知》

@misc{bencaodian-ci-shi-nan-zhi,
  author       = {{Bencaodian Editorial}},
  title        = {此事难知 (Cishi Nanzhi)},
  year         = {2026},
  howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
  url          = {https://bencaodian.org/en/texts/ci-shi-nan-zhi},
  urldate      = {2026-04-17},
  note         = {CC BY-SA 4.0}
}

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