Demographic, Physiologic, and Lifestyle Characteristics Observed with Serum Total Folate Differ Among Folate Forms: Cross-Sectional Data from Fasting Samples in the NHANES 2011–2016

Daily supplementation with 5 mg of folic acid in Brazilian patients with hereditary spherocytosis

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Folate status in the US population 20 y after the introduction of folic acid fortification

(2019) Christine M Pfeiffer et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

U.S. women of childbearing age who are at possible increased risk of a neural tube defect-affected pregnancy due to suboptimal red blood cell folate concentrations, National Health and Nutrition Examination Survey 2007 to 2012

(2015) Sarah C. Tinker et al.   BIRTH DEFECTS RESEARCH PART A-CLINICAL AND MOLECULAR TERATOLOGY

Folate status and concentrations of serum folate forms in the US population: National Health and Nutrition Examination Survey 2011–2

(2015) Christine M. Pfeiffer et al.   BRITISH JOURNAL OF NUTRITION

Biomarkers of Nutrition for Development—Folate Review

(2015) Lynn B Bailey et al.   JOURNAL OF NUTRITION

U.S. women of childbearing age who are at possible increased risk of a neural tube defect-affected pregnancy due to suboptimal red blood cell folate concentrations, National Health and Nutrition Examination Survey 2007 to 2012

(2015) Sarah C. Tinker et al.   BIRTH DEFECTS RESEARCH PART A-CLINICAL AND MOLECULAR TERATOLOGY

Folic acid handling by the human gut: implications for food fortification and supplementation

(2014) Imran Patanwala et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Unmetabolized Folic Acid Is Detected in Nearly All Serum Samples from US Children, Adolescents, and Adults

(2014) Christine M Pfeiffer et al.   JOURNAL OF NUTRITION

A high-throughput LC-MS/MS method suitable for population biomonitoring measures five serum folate vitamers and one oxidation product

(2013) Zia Fazili et al.   ANALYTICAL AND BIOANALYTICAL CHEMISTRY

A New Equation to Estimate Glomerular Filtration Rate

(2013) Andrew S. Levey et al.   ANNALS OF INTERNAL MEDICINE

Dietary Supplement Use and Smoking Are Important Correlates of Biomarkers of Water-Soluble Vitamin Status after Adjusting for Sociodemographic and Lifestyle Variables in a Representative Sample of U.S. Adults

(2013) Christine M. Pfeiffer et al.   JOURNAL OF NUTRITION

Unmetabolized folic acid prevalence is widespread in the older Irish population despite the lack of a mandatory fortification program

(2012) Andrew Boilson et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Biomarkers of folate status in NHANES: a roundtable summary

(2011) Elizabeth A Yetley et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Concentrations of unmetabolized folic acid and primary folate forms in pregnant women at delivery and in umbilical cord blood

(2010) Rima Obeid et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

The extremely slow and variable activity of dihydrofolate reductase in human liver and its implications for high folic acid intake

(2009) S. W. Bailey et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

A 19-Base Pair Deletion Polymorphism in Dihydrofolate Reductase Is Associated with Increased Unmetabolized Folic Acid in Plasma and Decreased Red Blood Cell Folate

(2008) Renee D. Kalmbach et al.   JOURNAL OF NUTRITION