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Gómez-Marcos MA, Martínez-Salgado C, Grandes G, Recio-Rodríguez JI, Castaño Sánchez Y, Rodríguez Sánchez E, García-Ortiz L.Gómez-Marcos MA, et al.Med Clin (Barc). 2010 Mar 6;134(6):246-53. doi: 10.1016/j.medcli.2009.06.068. Epub 2010 Jan 4.Med Clin (Barc). 2010.PMID: 20045531Spanish.