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Beauchamp GK, Keast RS, Morel D, Lin J, Pika J, Han Q, Lee CH, Smith AB, Breslin PA.Beauchamp GK, et al. Among authors: breslin pa.Nature. 2005 Sep 1;437(7055):45-6. doi: 10.1038/437045a.Nature. 2005.PMID: 16136122