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Dietary Intake of Folic Acid and Vitamin B12 Among Teenage Girls - Validation of Food Frequency Questionnaire
Folate and vitamin B12 deficiencies are associated with various health issues, including anemia, cardiovascular disease, depression, and birth defects. Accurate and objective estimates of dietary intake are necessary to assess any effects of nutritional status in epidemiologic studies. This study aims to develop and validate a three-month semi-quantitative food frequency questionnaire for the assessment of dietary intake of folic acid and vitamin B12, against four\*two multiple-pass 24-hr dietary recall among teenage girls in South Ethiopia
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