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Article
September 19, 1925

PARIS

JAMA. 1925;85(12):914. doi:10.1001/jama.1925.02670120052022

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Abstract

The Etiology of Cancer and the Researches of Dr. Gye and J. E. Barnard  The sensation caused by Dr. Gye and J. E. Barnard has subsided. It is now time for the students of cancer to express their opinions. In a recent number of the Presse médicale, Professor Roussy analyzes the researches carried out by the English authors. He holds that the cause of Peyton Rous sarcoma may be an agent that can be seen, cultivated and photographed, and he expects the findings of Gye and Barnard to be confirmed; but he thinks that in their experiments on transmission of mouse sarcoma by means of a filtrate and an extract free from tumor cells the authors have not taken the possibilities of error sufficiently into account. As for the existence, in the ground filtrate, of the Peyton Rous sarcoma and in the fluid of the primary culture, of two factors,

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