Most Blood Biomarkers Related to Vitamin Status, One-Carbon Metabolism, and the Kynurenine Pathway Show Adequate Preanalytical Stability and Within-Person Reproducibility to Allow Assessment of Exposure or Nutritional Status in Healthy Women and Cardiovascular Patients

Divergent Associations of Plasma Choline and Betaine with Components of Metabolic Syndrome in Middle Age and Elderly Men and Women

(2018) Svetlana V. Konstantinova et al.   JOURNAL OF NUTRITION

Plasma Dimethylglycine and Risk of Incident Acute Myocardial Infarction in Patients With Stable Angina Pectoris

(2013) Gard Frodahl Tveitevåg Svingen et al.   ARTERIOSCLEROSIS THROMBOSIS AND VASCULAR BIOLOGY

Intraindividual Variation in One-Carbon Metabolism Plasma Biomarkers

(2013) E. L. Cope et al.   CANCER EPIDEMIOLOGY BIOMARKERS & PREVENTION

Neopterin and kynurenine–tryptophan ratio as predictors of coronary events in older adults, the Hordaland Health Study

(2013) Gerhard Sulo et al.   INTERNATIONAL JOURNAL OF CARDIOLOGY

Reliability of Selected Antioxidants and Compounds Involved in One-Carbon Metabolism in Two Dutch Cohorts

(2013) Max Leenders et al.   NUTRITION AND CANCER-AN INTERNATIONAL JOURNAL

High-throughput, low-volume, multianalyte quantification of plasma metabolites related to one-carbon metabolism using HPLC-MS/MS

(2012) Øivind Midttun et al.   ANALYTICAL AND BIOANALYTICAL CHEMISTRY

Regression dilution bias: Tools for correction methods and sample size calculation

(2012) Lars Berglund   UPSALA JOURNAL OF MEDICAL SCIENCES

Kinetic Modeling of Storage Effects on Biomarkers Related to B Vitamin Status and One-Carbon Metabolism

(2011) S. Hustad et al.   CLINICAL CHEMISTRY

Reliability of Serum Metabolite Concentrations over a 4-Month Period Using a Targeted Metabolomic Approach

(2011) Anna Floegel et al.   PLoS One

Determination of vitamins A, D and E in a small volume of human plasma by a high-throughput method based on liquid chromatography/tandem mass spectrometry

(2011) Øivind Midttun et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

An Obituary for GFR as the Main Marker for Kidney Function?

(2011) Raymond Vanholder et al.   SEMINARS IN DIALYSIS

Reproducibility of Plasma, Red Blood Cell, and Urine Biomarkers among Premenopausal and Postmenopausal Women from the Nurses' Health Studies

(2010) J. Kotsopoulos et al.   CANCER EPIDEMIOLOGY BIOMARKERS & PREVENTION

Analytical Recovery of Folate Degradation Products Formed in Human Serum and Plasma at Room Temperature

(2009) Rita Hannisdal et al.   JOURNAL OF NUTRITION

Liquid chromatography-tandem mass spectrometry applications in endocrinology

(2009) Mark M. Kushnir et al.   MASS SPECTROMETRY REVIEWS

Quantitative profiling of biomarkers related to B-vitamin status, tryptophan metabolism and inflammation in human plasma by liquid chromatography/tandem mass spectrometry

(2009) Øivind Midttun et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

The biochemistry, measurement and current clinical significance of asymmetric dimethylarginine

(2009) S. Blackwell   ANNALS OF CLINICAL BIOCHEMISTRY

UK Biobank Pilot Study: Stability of haematological and clinical chemistry analytes

(2008) Chris Jackson et al.   INTERNATIONAL JOURNAL OF EPIDEMIOLOGY

The UK Biobank sample handling and storage protocol for the collection, processing and archiving of human blood and urine

(2008) P. Elliott et al.   INTERNATIONAL JOURNAL OF EPIDEMIOLOGY

Mortality and Cardiovascular Events in Patients Treated With Homocysteine-Lowering B Vitamins After Coronary Angiography

(2008) Marta Ebbing et al.   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION