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Gutiérrez-Misis A, Sánchez-Santos M, Otero Á.Gutiérrez-Misis A, et al.Aten Primaria. 2012 Mar;44(3):153-61. doi: 10.1016/j.aprim.2011.01.012. Epub 2011 Jun 1.Aten Primaria. 2012.PMID: 21636178Free PMC article.Spanish.
Sánchez Martínez M, Blanco A, Castell MV, Gutiérrez Misis A, González Montalvo JI, Zunzunegui MV, Otero Á.Sánchez Martínez M, et al.Aten Primaria. 2014 Aug-Sep;46(7):376-84. doi: 10.1016/j.aprim.2013.12.004. Epub 2014 Feb 25.Aten Primaria. 2014.PMID: 24576691Free PMC article.