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Fernández García E, Benítez Ortiz J, Villamar López M, Ayuso García C, Ramos Corrales C, Sánchez Cascos A, Baiget M, Del Río E.Fernández García E, et al. Among authors: sanchez cascos a.An Esp Pediatr. 1989 Apr;30(4):251-4.An Esp Pediatr. 1989.PMID: 2568107Spanish.