Effect of ultraviolet light and x-rays o
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Shettles, L. B.
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Article
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1938
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Wiley (John Wiley & Sons)
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English
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## FIVE FIGURES 'Adam T. Bruce Frllow in the department of zoology. a Tlie author is very inucli indebted to Profs. A. H. โฌ'fund and R. W. Wood of the department of physics of the Johns Hopkiiis University for the loan of apparatus and laboratory facilities and for most generous advice and assista