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Levine JM, Pachepsky E, Kendall BE, Yelenik SG, Lambers JH.Levine JM, et al.Ecol Lett. 2006 Sep;9(9):1005-14. doi: 10.1111/j.1461-0248.2006.00949.x.Ecol Lett. 2006.PMID: 16925649