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Lindgärde F, Ercilla MB, Correa LR, Ahrén B.Lindgärde F, et al.High Alt Med Biol. 2004 Spring;5(1):27-31. doi: 10.1089/152702904322963663.High Alt Med Biol. 2004.PMID: 15072714
Lindgärde F, Gottsäter A, Ahrén B.Lindgärde F, et al.Rev Med Chil. 2011 Aug;139(8):998-1005. Epub 2011 Dec 20.Rev Med Chil. 2011.PMID: 22218729Free article.