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3/3/99.INTERNATIONAL BIOLOGICAL WARFARE--Dr. Stephen Block, biophysicist and professor of moecular biology at Princeton University, and Dr. William Patrick, former chief of the Product Division of the former offensive biological weapons program of the United States, testify during a hearing before the House Select Intelligence Committee..CONGRESSIONAL QUARTERLY PHOTO BY SCOTT J. FERRELL

3/3/99.INTERNATIONAL BIOLOGICAL WARFARE--Dr. Stephen Block, biophysicist and professor of moecular biology at Princeton University, and Dr. William Patrick, former chief of the Product Division of the former offensive biological weapons program of the United States, testify during a hearing before the House Select Intelligence Committee..CONGRESSIONAL QUARTERLY PHOTO BY SCOTT J. FERRELL

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