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To the Editor:
—In The Journal, June 4, page 1829, is a communication from your Berlin correspondent on "Iodine in Combating Goiter." In the article a report is given of the results of the researches of Frau Professor von Wrangel, and the statement is made that these researches had established that it is impossible by means of the addition of iodine to the soil to increase to any considerable extent the iodine content of plants grown therein, and that consequently also the iodine contained in the sodium nitrate brought from Chile does not have any influence in combating goiter disease and does not play any part with reference to the marked increase of the disease in Germany since the war.An article on trials with iodine fertilization, which were carried out at the Landwirtschaftliche Hochschule (agricultural college), Weihenstephan, has unequivocally established that it is possible by means of suitable iodine
IODINE IN GOITER PROPHYLAXIS. JAMA. 1927;89(6):469. doi:10.1001/jama.1927.02690060049029