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Item: Title: Abstract Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@7c53a9eb Children: Item: Title: Abstract Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@ed17bee Item: Title: Introduction Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@2a33fae0 Item: Title: Methods and procedures Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@707f7052 Children: Item: Title: Variables Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@11028347 Item: Title: Statistical analysis Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@14899482 Item: Title: Results Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@21588809 Item: Title: Discussion Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@2aae9190 Item: Title: References Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@2f333739 Info: Title: bmjopen-2014-007313 1..11 Keywords: Creator: Arbortext 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