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34. Ward, Experiments on the action of light on Bacillus anthracis. Proc. 

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37- , Further experiments on the action of light on Bacillus anthracis 



and the waters of the Thames. Proc. Roy. Soc. London 56:315. 1894. 



38. Waters, On the action of light in smallpox. Lancet. 1871. 



39- Wulzen, On the mechanism of cytolysis in Paramoecium. Quart. Jour. 

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