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Comment
. 2003 Feb 28;299(5611):1313.
doi: 10.1126/science.299.5611.1313b.

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Gary D Bass, Paul D Blumenthal, Phil Corfman, Philip D Darney, Gregg Gonsalves, Arthur A Levin, James Trussell, Wayne C Shields
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Gary D Bass et al. Science. .
No abstract available

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