Abstract
SPONTANEOUS mutations are generally supposed to be induced by some unknown external agent. However, it may be expected that mutation is influenced also by certain intracellular processes which develop automatically and may be created or accelerated by artificial means (for example, by X-rays).
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NAVASHIN, M. Origin of Spontaneous Mutations. Nature 131, 436 (1933). https://doi.org/10.1038/131436a0
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DOI: https://doi.org/10.1038/131436a0
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