On the characters, actions, and therapeutic uses of the ordeal bean of Calabar, (Physostigma venenosum, Balfour) : a graduation thesis, for which a gold medal was awarded by the Edinburgh University, August 1862 / by Thomas R. Fraser.

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On the characters, actions, and therapeutic uses of the ordeal bean of Calabar, (Physostigma venenosum, Balfour) : a graduation thesis, for which a gold medal was awarded by the Edinburgh University, August 1862 / by Thomas R. Fraser. Public Domain Mark. 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.