| 1880 - 896 páginas
...into the discussion of this question, especially is it has been so ably dealt with by many writers. But it is well known that there is at the present...it, or as an essential condition of its potency. The precise relation of bacteria to contaron has long been a favorite subject of speculation, and every... | |
| United States. Department of Agriculture - 1911 - 968 páginas
...virtually worthless. Millions of dollars are spent annually to retard the progress of consumption, but it is well known that there is at the present time no specific for its treatment. Anyone engaged in exploiting a so-called consumption cure is simply... | |
| 1881 - 276 páginas
...the latter alone is usually limited the term " theory of the contagium vivum, or contagium animatum," In considering these hypotheses we must bear in mind...words (contagium vium) are understood to express, the motb.fic material by which a contagious disease is communicated from a diseased to a healthy person... | |
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