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López-Medrano F, San Juan R, Serrano O, Chaves F, Lumbreras C, Lizasoaín M, Herreros de Tejada A, Aguado JM.López-Medrano F, et al.Enferm Infecc Microbiol Clin. 2005 Apr;23(4):186-90. doi: 10.1157/13073141.Enferm Infecc Microbiol Clin. 2005.PMID: 15826540Spanish.