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Llorente Díez B, Alonso Martínez JL, Echegaray Agara M, González Arencibia C, Solano Remírez M, Urbieta Echezarreta MA.Llorente Díez B, et al. Among authors: urbieta echezarreta ma.An Med Interna. 2003 Jan;20(1):16-20.An Med Interna. 2003.PMID: 12666303Spanish.
Echegaray Agara M, Alonso Martínez JL, Urbieta Echezarreta MA, Abínzano Guillén ML, González Arencibia C, Solano Remírez M.Echegaray Agara M, et al. Among authors: urbieta echezarreta ma.An Med Interna. 2003 Sep;20(9):451-6.An Med Interna. 2003.PMID: 14755898Spanish.