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NOTE: This article has appeared under the headline, "The Biology of Intelligence", in the Monday, October 28, 1968 edition of the Oak Ridge, Tennessee Oak Ridger.
Periodical. Lederberg, Joshua. "Stretching Out the Period of the Brain's Development." Washington Post, (26 October 1968): sec. A, p. 15. Article. Newspaper Column. 1 Image.. Washington Post. Lederberg UI. S121