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Avendaño C, Casas A, Dal-Ré R, Gomis R, Gracia D, Moreno A, de los Reyes M; Grupo de Estudio del Dictamen Unico en Ensayos Multicéntricos (GEDUEM).Avendaño C, et al.Med Clin (Barc). 2003 Feb 15;120(5):180-8. doi: 10.1016/s0025-7753(03)73643-4.Med Clin (Barc). 2003.PMID: 12605826Review.Spanish.No abstract available.