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Gironell A, Kulisevsky J, Barbanoj M, Gich I, Pascual-Sedano B, Otermín P.Gironell A, et al.Med Clin (Barc). 2001 Nov 17;117(16):601-5. doi: 10.1016/s0025-7753(01)72193-8.Med Clin (Barc). 2001.PMID: 11714464Spanish.