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Kral AH, Bluthenthal RN, Booth RE, Watters JK.Kral AH, et al. Among authors: bluthenthal rn.Am J Public Health. 1998 Jan;88(1):108-13. doi: 10.2105/ajph.88.1.108.Am J Public Health. 1998.PMID: 9584014Free PMC article.