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Del Cura I, Huertas R.Del Cura I, et al. Among authors: huertas r.Am J Public Health. 2009 Oct;99(10):1772-9. doi: 10.2105/AJPH.2007.124875. Epub 2009 Aug 20.Am J Public Health. 2009.PMID: 19696398Free PMC article.