Wm. Steenken

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In a period such as the present one, characterized by great advances in chemotherapy, interest in vaccines is at a low ebb. But in the case of tuberculosis, vaccination should probably play a greater part than it has in the experimental assay of new chemical remedies. We have felt that the animals ordinarily used in the laboratory have so little native(More)
It has become increasingly evident during recent years, that bacteria along with other living forms are subject to modification, embraced under the term of "mutation." The recognition of types of "mutation" is now general among systematic bacteriologists, as is the employment of such terms as "smooth" and "rough" to define differences in colony formation(More)