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Rivera AL, Gómez-Lim M, Fernández F, Loske AM.Rivera AL, et al.Phys Life Rev. 2012 Sep;9(3):308-45. doi: 10.1016/j.plrev.2012.06.002. Epub 2012 Jun 6.Phys Life Rev. 2012.PMID: 22704230Review.