Open Access Research

Development of a food frequency questionnaire to estimate habitual dietary intake in Japanese children

Tomomi Kobayashi*, Sanae Tanaka, Chihiro Toji, Hideko Shinohara, Miharu Kamimura, Naoko Okamoto, Shino Imai, Mitsuru Fukui and Chigusa Date

Nutrition Journal 2010, 9:17 doi:10.1186/1475-2891-9-17

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