8:
A simple food frequency questionnaire for Japanese diet--Part I. Development of the questionnaire, and reproducibility and validity for food groups.
Wakai K, Egami I, Kato K, Lin Y, Kawamura T, Tamakoshi A, Aoki R, Kojima M, Nakayama T, Wada M, Ohno Y.
J Epidemiol. 1999 Aug;9(4):216-26.
PMID: 10510578 [PubMed - indexed for MEDLINE]
Related Articles
13:
Validity and reproducibility of a self-administered food-frequency questionnaire to assess isoflavone intake in a japanese population in comparison with dietary records and blood and urine isoflavones.
Yamamoto S, Sobue T, Sasaki S, Kobayashi M, Arai Y, Uehara M, Adlercreutz H, Watanabe S, Takahashi T, Iitoi Y, Iwase Y, Akabane M, Tsugane S.
J Nutr. 2001 Oct;131(10):2741-7.
PMID: 11584098 [PubMed - indexed for MEDLINE]
Related Articles