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Credit
Descriptive catalogue of fluid and solid extracts, also pills, resinoids, and alkaloids / prepared by Henry Thayer & Co. With formulas and receipts. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.