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Effect of Carbon Arc Irradiation on the Goiter-Producing Substance in Plants.

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By WEBSTER BRUCE. . (Proc. Soc. Exp. Biol. and Med.. , 1932; , xxix:, 1070.-1072.)

Ann Intern Med. 1932;6(4):587. doi:10.7326/0003-4819-6-4-587_2
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Freshly harvested cabbage from a source which had previously been shown to produce active goitrogenic plants, was finely divided, spread out in thin layers, and irradiated with a carbon arc for 20 minutes at a distance of 50 cm. This cabbage was then fed to normal rabbits in quantities yielding 60 calories per kilo per day. Unirradiated cabbage from the same source was fed in equivalent amounts to a similar series of rabbits as a control. All rabbits used in the experiment were injected subcutaneously with 5 mgm. of potassium iodide one week prior to beginning the feeding experiment, to



carbon ; goiter ; plants

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