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Olivan Ballabriga A, Reparaz Padros J, Sola Boneta J, Uriz Ayestaran J, Anderiz López M, Pacheco Blanco R.Olivan Ballabriga A, et al. Among authors: reparaz padros j.An Med Interna. 1990 Feb;7(2):83-5.An Med Interna. 1990.PMID: 2103241Spanish.