McCullough, ML, D Feskanich, MJ Stampfer, BA Rosner, FB Hu, DJ Hunter, JN Variyam, GA Colditz, and WC Willett. “Adherence to the Dietary Guidelines for Americans and Risk of Major Chronic Disease in Women.” Am J Clin Nutr 72 (5) (2000): 1214–22; PubMed PMID: 11063452.