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NOTE: This article appeared under the headline, "The Search for a Clean Detergent", in the Sunday, June 7, 1970 edition of The San Francisco Chronicle.
Periodical. Lederberg, Joshua. "Viable Substitute Proposed for Detergent Phosphates." Washington Post, (30 May 1970). Article. Newspaper Column. 1 Image.. Washington Post. Lederberg UI. S211