Validity and reproducibility of folate and vitamin B<sub>12 </sub>intakes estimated from a self-administered diet history questionnaire in Japanese pregnant women
<p>Abstract</p> <p>Background</p> <p>No validated dietary questionnaire for assessing folate and vitamin B<sub>12 </sub>intakes during pregnancy is available in Japan. We evaluated the validity and reproducibility of intakes of folate and vitamin B<sub>...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2012-03-01
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Series: | Nutrition Journal |
Subjects: | |
Online Access: | http://www.nutritionj.com/content/11/1/15 |