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Romelsjö A, Karlsson G, Henningsohn L, Jakobsson SW.Romelsjö A, et al. Among authors: jakobsson sw.Am J Public Health. 1993 Jun;83(6):838-44. doi: 10.2105/ajph.83.6.838.Am J Public Health. 1993.PMID: 8498621Free PMC article.