Additional file 2.Summary of blood collection and analytical methods. Description of blood collection and analytical method for studies that reported the correlation coefficient between dietary intake of vitamin C measured by dietary assessment tools and plasma level of vitamin C. Format: PDF Size: 28KB Download file This file can be viewed with: Adobe Acrobat Reader Dehghan et al. Nutrition Journal 2007 6:41 doi:10.1186/1475-2891-6-41 |