There are still persons who believe that every disease of the skin can be successfully treated with a salve, a lotion or a powder. This belief and the advertisements of nostrums for the treatment of skin disease are a reflection of the actual knowledge of such conditions held even by the medical profession a quarter of a century ago. Today the methods of treatment of skin diseases include practically every form of apparatus, every method of medical administration known to medical science. This advance is a reflection of the application of knowledge in physics, chemistry, biology and bacteriology to medicine, and of a more thorough comprehension of the fact that the skin is not merely a prot…
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