| web | http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3021435/ | 
| author | Sara A Chacko, James Sul | 
| publication | Am J Clin Nutr | 
| date | 2010-12-01 | 
| web | Michael Greger MD | NutritionFacts.org | 
| web | Sara A Chacko, James Sul | Am J Clin Nutr | 2010-12-01 | 
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