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NOTE: This article appeared under the headline, "New Atoms And Laws of Nature", in the Monday, April 14, 1969 edition of The Oak Ridge, Tennessee Oak Ridger.
Periodical. Lederberg, Joshua. "Chromium, Other Elements Seen Crucial in Human Diets." Washington Post, (12 April 1969). Article. Newspaper Column. 1 Image.. Washington Post. Lederberg UI. S146