Longitudinal Evaluation of Vitamin D Status in Healthy Subjects from Southern Italy: Seasonal and Gender Differences

Prevalence of Vitamin D Insufficiency in an Adult Normal Population

M C Chapuy, Paul Preziosi, M. Maamer et al. · Osteoporosis International · 1997 · 1.5K citations

Medicine, Nutrition, Human Nutrition +12

Serum vitamin D concentrations among elderly people in Europe

R.P.J. van der Wielen, C.P.G.M. de Groot, W.A. van Staveren et al. · The Lancet · 1995 · 782 citations

Medicine, Geriatric Medicine, Nutrition +13

Determination of vitamin D status by radioimmunoassay with an 125I-labeled tracer

B W Hollis, John Kamerud, S Selvaag et al. · Clinical Chemistry · 1993 · 439 citations

Life Sciences, Biochemistry, Biopharmaceutics +16

Hypovitaminosis D in a Sunny Country: Relation to Lifestyle and Bone Markers

Marie‐Hélène Gannagé‐Yared, Rana Chemali, Najwa Yaacoub et al. · Journal of Bone and Mineral Research · 2000 · 409 citations

Medicine, Nutrition, Nutritional Sciences +15

The Effect of Vitamin D Supplementation on Vitamin D Status and Parathyroid Function in Elderly Subjects*

Paul Lips, A Wiersinga, F C van Ginkel et al. · The Journal of Clinical Endocrinology & Metabolism · 1988 · 382 citations

Medicine, Endocrinology, Nutrition +17