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Start Over You searched for: Subject National Academy of Sciences (U.S.) ✖ Remove constraint Subject: National Academy of Sciences (U.S.) Genre Letters (correspondence) ✖ Remove constraint Genre: Letters (correspondence) Story Section Risk, Regulation, and Scientific Citizenship: The Controversy over Recombinant DNA Research ✖ Remove constraint Story Section: Risk, Regulation, and Scientific Citizenship: The Controversy over Recombinant DNA Research Exhibit Tags regulation ✖ Remove constraint Exhibit Tags: regulation