Practical observations on the radix rhataniae, or rhatany root, a product of Peru : containing an account of its sensible qualities, it powers as a tonic or stomachic medicine, the various forms in which it may be employed, and the most respectable testimonies in its favor as superior to the Peruvian bark in all cases that require the use of a strengthening medicine ; to which are added, directions for the use of the phosphate and oxyphosphate of iron in cancer, etc. /

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