Chemical examination of Aethusa cynapium / by Frederick B. Power and Frank Tutin.

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Chemical examination of Aethusa cynapium / by Frederick B. Power and Frank Tutin. Attribution 4.0 International (CC BY 4.0). Source: Wellcome Collection.

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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.