Current 25-hydroxyvitamin D assays: Do they pass the test?

Evaluation, Treatment, and Prevention of Vitamin D Deficiency: an Endocrine Society Clinical Practice Guideline

Michael F. Holick, Neil Binkley, Heike A. Bischoff‐Ferrari et al. · The Journal of Clinical Endocrinology & Metabolism · 2011 · 10.5K citations · Full text

Medicine, Endocrinology, Nutrition +17

Higher 25-hydroxyvitamin D concentrations are associated with better lower-extremity function in both active and inactive persons aged ≥60 y

Heike A. Bischoff‐Ferrari, Thomas Dietrich, E. John Orav et al. · American Journal of Clinical Nutrition · 2004 · 930 citations

Medicine, Geriatric Medicine, Aging +12

Positive association between 25-hydroxy vitamin d levels and bone mineral density: a population-based study of younger and older adults

Heike A. Bischoff‐Ferrari, Thomas Dietrich, E. John Orav et al. · The American Journal of Medicine · 2004 · 801 citations

Medicine, Endocrinology, Nutritional Sciences +15

Assay Variation Confounds the Diagnosis of Hypovitaminosis D: A Call for Standardization

Neil Binkley, Diane Krueger, C. S. Cowgill et al. · The Journal of Clinical Endocrinology & Metabolism · 2004 · 580 citations · Full text

Medicine, Endocrinology, Nutritional Sciences +14

Proposals for Setting Generally Applicable Quality Goals Solely Based on Biology

Callum G. Fraser, Per Hyltoft Petersen, Jean-Claude Libeer et al. · Annals of Clinical Biochemistry International Journal of Laboratory Medicine · 1997 · 367 citations · Full text

Management, Biology, Quality Management +7