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Chang MH, Ni YH, Hwang LH, Lin KH, Lin HH, Chen PJ, Lee CY, Chen DS.Chang MH, et al. Among authors: ni yh.Pediatr Infect Dis J. 1994 Sep;13(9):769-73. doi: 10.1097/00006454-199409000-00003.Pediatr Infect Dis J. 1994.PMID: 7808843