
Development of the Iowa bone nutrient food frequency questionnaire based on data from the US Department of Agriculture Continuing Survey of the Food Intake by Individuals
Keywords: بررسی ادامه مصرف غذا توسط افراد; Food frequency questionnaire; FFQ; Calcium assessment; Caffeine; Vitamin D; Alcohol; Serving sizes; Continuing Survey of Food Intakes by Individuals; USDA; CSFII