Inaugural dissertation, being an attempt to prove that certain substances are conveyed, unchanged, into the circulation; or, if changed, that they are recomposed and regain their active properties / [Edward Darrell Smith].

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Inaugural dissertation, being an attempt to prove that certain substances are conveyed, unchanged, into the circulation; or, if changed, that they are recomposed and regain their active properties / [Edward Darrell Smith]. Public Domain Mark. Source: Wellcome Collection.