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Credit
On the value of phosphorus, as a remedy for loss of nerve power and functional disorders of the nervous system, induced by over-work and the exigencies of modern life : with formulae and directions for treatment / by Edmund A. Kirby. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.