| scholarly article | Q13442814 |
| review article | Q7318358 |
| P50 | author | Elizabeth A. Yetley | Q112620193 |
| P2093 | author name string | Clifford L Johnson | |
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| P433 | issue | 1 | |
| P407 | language of work or name | English | Q1860 |
| P921 | main subject | biomarker | Q864574 |
| heterocyclic compound | Q193430 | ||
| polycyclic compound | Q426145 | ||
| folic acid | Q127060 | ||
| vitamin B | Q183206 | ||
| biomedical investigative technique | Q66648976 | ||
| P304 | page(s) | 322S-331S | |
| P577 | publication date | 2011-05-18 | |
| 2011-07-01 | |||
| P1433 | published in | American Journal of Clinical Nutrition | Q7713500 |
| P1476 | title | Folate and vitamin B-12 biomarkers in NHANES: history of their measurement and use. | |
| P478 | volume | 94 |
| Q36476993 | A Review of Cutoffs for Nutritional Biomarkers. |
| Q37083775 | A population model of folate-mediated one-carbon metabolism |
| Q35080362 | Advances in standardization of laboratory measurement procedures: implications for measuring biomarkers of folate and vitamin B-12 status in NHANES. |
| Q39343582 | Applying inappropriate cutoffs leads to misinterpretation of folate status in the US population |
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| Q35892376 | Changes in measurement procedure from a radioassay to a microbiologic assay necessitate adjustment of serum and RBC folate concentrations in the U.S. population from the NHANES 1988-2010. |
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| Q35080383 | Overview of a roundtable on NHANES monitoring of biomarkers of folate and vitamin B-12 status: measurement procedure issues |
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| Q33835732 | Safety and benefits of interventions to increase folate status in malaria-endemic areas |
| Q36725380 | The direction of the difference between Canadian and American erythrocyte folate concentrations is dependent on the assay method employed: a comparison of the Canadian Health Measures Survey and National Health and Nutrition Examination Survey |
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| Q35107862 | Unmetabolized folic acid is detected in nearly all serum samples from US children, adolescents, and adults |
| Q35775162 | Use of Folate-Based and Other Fortification Scenarios Illustrates Different Shifts for Tails of the Distribution of Serum 25-Hydroxyvitamin D Concentrations |
| Q38955397 | Vitamin B-12 and Cognition in Children. |
| Q26849290 | Vitamin B-12 and Perinatal Health |
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