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Segui-Gomez M, Palma S, Guillen-Grima F, de Irala J, Martinez-Gonzalez MA.Segui-Gomez M, et al. Among authors: palma s.BMC Public Health. 2007 Apr 12;7:55. doi: 10.1186/1471-2458-7-55.BMC Public Health. 2007.PMID: 17430581Free PMC article.