Vitamin D status in patients with musculoskeletal pain, fatigue and headache

Knutsen, Kirsten Irene Valebjørg; Brekke, Mette; Gjelstad, Svein & Lagerløv, Per (2010). Vitamin D status in patients with musculoskeletal pain, fatigue and headache: A cross-sectional descriptive study in a multi-ethnic general practice in Norway. Scandinavian Journal of Primary Health Care. ISSN 0281-3432. 28, s 166- 171 . doi: 10.3109/02813432.2010.505407