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Ushijima K, Riby JE, Kretchmer N.Ushijima K, et al. Among authors: riby je.Pediatr Clin North Am. 1995 Aug;42(4):899-915. doi: 10.1016/s0031-3955(16)39023-x.Pediatr Clin North Am. 1995.PMID: 7610019Review.
Riby JE, Hurwitz RE, Kretchmer N.Riby JE, et al.Pediatr Res. 1990 Sep;28(3):261-5. doi: 10.1203/00006450-199009000-00022.Pediatr Res. 1990.PMID: 2235124