Source:
Scientific American [Sci Am] 2008 Aug; Vol. 299 (2), pp. 40.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:
Source:
Scientific American [Sci Am] 2007 Aug; Vol. 297 (2), pp. 33-4.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium: