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Scientific American [Sci Am] 1999 Jan; Vol. 280 (1), pp. 78-87.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:
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Scientific American [Sci Am] 2001 Nov; Vol. 285 (5), pp. 56-63.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:
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Scientific American [Sci Am] 1987 Apr; Vol. 256 (4), pp. 76-85.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium: