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Scientific American [Sci Am] 1996 Sep; Vol. 275 (3), pp. 72-7.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:
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Scientific American [Sci Am] 1995 Aug; Vol. 273 (2), pp. 34.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:
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Scientific American [Sci Am] 1992 Feb; Vol. 266 (2), pp. 54-9, 62-3.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:
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Scientific American [Sci Am] 1989 May; Vol. 260 (5), pp. 76-82, 84-6, 88.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:
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Scientific American [Sci Am] 1979 Mar; Vol. 240 (3), pp. 66-76.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium: