Comparison of total, free and bioavailable 25-OH vitamin D determinations to evaluate its biological activity in healthy adults: the LabOscat study

Estimating regression models with unknown break‐points

Vito M. R. Muggeo · Statistics in Medicine · 2003 · 2.3K citations

Social Sciences, Biostatistics, Econometrics +9

Vitamin D–Binding Protein and Vitamin D Status of Black Americans and White Americans

Camille E. Powe, Michele K. Evans, Julia Wenger et al. · New England Journal of Medicine · 2013 · 1.1K citations · Full text

Medicine, Nutrition, Nutritional Sciences +14

Prevalence of Vitamin D Inadequacy among Postmenopausal North American Women Receiving Osteoporosis Therapy

Michael F. Holick, Ethel S. Siris, Neil Binkley et al. · The Journal of Clinical Endocrinology & Metabolism · 2005 · 893 citations · Full text

Medicine, Endocrinology, Nutritional Sciences +17

Vitamin D insufficiency among free-living healthy young adults

Vin Tangpricha, Elizabeth N. Pearce, Tai C. Chen et al. · The American Journal of Medicine · 2002 · 659 citations · Full text

Public Health, Nutrition, Public Health Nutrition +14

The prevalence of vitamin D inadequacy amongst women with osteoporosis: an international epidemiological investigation

Paul Lips, D. J. Hosking, Kurt Lippuner et al. · Journal of Internal Medicine · 2006 · 627 citations

Medicine, Endocrinology, Nutritional Sciences +17