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Simmons CM, Johnson NE, Perkin RM, van Stralen D.Simmons CM, et al. Among authors: perkin rm.Ann Emerg Med. 1994 Feb;23(2):363-6. doi: 10.1016/s0196-0644(94)70053-2.Ann Emerg Med. 1994.PMID: 8304621
Narasimhan N, van Stralen DW, Perkin RM.Narasimhan N, et al. Among authors: perkin rm.Pediatr Infect Dis J. 1993 Jul;12(7):619-20. doi: 10.1097/00006454-199307000-00017.Pediatr Infect Dis J. 1993.PMID: 8346010No abstract available.