Subar AF, Krebs-Smith SM, Cook A, Kahle LL. Dietary sources of nutrients among US adults, 1989-91. J Am Diet Assoc 1998;98:537-547.
Block G, Dresser CM, Hartman AM, Carroll MD. Nutrient sources in the American diet: quantitative data from the NHANES II survey I. Vitamins and minerals. Am J Epidemiol 1985;122:13-26.
Thompson FE, Sowers MF, Frongillo EA, Parpia BJ. Sources of fiber and fat in diets of US women aged 19-50: implications for nutrition education and policy. Am J Public Health 1992;82:695-702.
Block G, Coyle LM, Hartman AM, & Scoppa SM. Revision of dietary analysis software for the health habits and history questionnaire. Am J Epidemiol 1994;139:1190-6.
Block G, Woods, Potosky A, et al. Validation of a self-administered diet history questionnaire using multiple diet records. J Clin Epidemiol 1990;43:1327-35.
Caulfield LE, Witter FR, Stoltzfus RJ. Determinants of gestational weight gain outside the recommended ranges among Black and White women. Obstet Gynecol 1996;87:760-6.