The introduction of intensity-modulated radiation therapy (IMRT) in the early 1990s created the possibility of generating dramatically improved dose distributions that could be tailored to fit a ...
A SELECTIVE action has been observed 1 when the allantoic membrane of the embryo chick is exposed to homogeneous X-radiation obtained by crystal diffraction.
A CORRESPONDENT, Mr. Harris Booth, has questioned the validity of the treatment of the absorption curve of cosmical radiation in water as given in my “Inter protation of the Atom”—in which the ...
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