Concepedia

Relative and biomarker-based validity of a food frequency questionnaire that measures the intakes of vitamin B12, folate, iron, and zinc in young women

Flavia Fayet, Victoria Flood, Peter Petocz, Samir Samman

Nutrition Research · 2011 · 41 citations · 36 references

DOI

Concepts

References

36

STATISTICAL METHODS FOR ASSESSING AGREEMENT BETWEEN TWO METHODS OF CLINICAL MEASUREMENT

J Martin Bland, DouglasG. Altman · The Lancet · 1986 · 47.6K citations

, , +7

Akufo and Ibarapa

A H BECKETT, M ROWLAND, P TURNER · The Lancet · 1965 · 16.9K citations

Ferrozine---a new spectrophotometric reagent for iron

Lawrence L. Stookey · Analytical Chemistry · 1970 · 4.7K citations

, , +4

Compendium of Physical Activities: classification of energy costs of human physical activities

Barbara E. Ainsworth, William L. Haskell, Arthur S. Leon et al. · Medicine & Science in Sports & Exercise · 1993 · 4.1K citations

, , +16

TOTAL ENERGY INTAKE: IMPLICATIONS FOR EPIDEMIOLOGIC ANALYSES

Walter C. Willett, Meir J. Stampfer · American Journal of Epidemiology · 1986 · 2.8K citations

, , +13