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Pohl N, Carvallo G, Botto-Mahan C, Medel R.Pohl N, et al. Among authors: medel r.Oecologia. 2006 Oct;149(4):648-55. doi: 10.1007/s00442-006-0479-z. Epub 2006 Aug 1.Oecologia. 2006.PMID: 16896778