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Article
December 19, 1931

LONDON

JAMA. 1931;97(25):1902. doi:10.1001/jama.1931.02730250060026

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Abstract

Research on the Cause of Cancer  It may be remembered that in 1925 Dr. W. E. Gye, with the help of the microscopist Mr. J. E. Barnard, F.R.S., brought forward the theory that cancer is due to the cooperation of a virus (consisting of minute spheroids rendered visible by dark-ground illumination and photographed by ultraviolet rays) and a "specific factor." His researches attracted world-wide attention, but his theory was not considered established. Dr. Gye, however, was so convinced of its truth that he retired to the laboratories of the National Institute for Medical Research and now, after six years' patient work, has produced, in conjunction with Dr. W. S. Purdy, a book on the cause of cancer which embodies his later researches. The authors are satisfied, contrary to the prevalent view, that cancer is a parasitic disease. They attribute the difficulty of accepting their view to the complexity of the

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