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Article
November 19, 1910

A Text-Book On The Therapeutic Action Of Light.

JAMA. 1910;55(21):1831. doi:10.1001/jama.1910.04330210059027

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Abstract

This is a book which deals with the peculiar theories of the author in regard to the therapeutic action of certain rays of light which he calls "Rho" rays. The work hinges on "Rho" rays. But no adequate description of the "Rho" rays is given, and, in fact, no proof of any scientific value is furnished to establish their existence. In our humble opinion there are no such rays. The supposed rays are produced by a high candle-power incandescent lamp of the author's invention. This is an elaboration and an enlarged type of the therapeutic lamp with a parabolic or conical reflector of which the Rogers' therapeutic lamp of a few years ago (perhaps by the same inventor) was a type. The agent is recommended in almost all sorts of conditions from impetigo to optic atrophy. The work is entitled to no scientific consideration.

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