25-hydroxyvitamin D and cardiovascular disease in patients with systemic lupus erythematosus: data from a large international inception cohort.
Lertratanakul A, Wu P, Dyer A, Urowitz M, Gladman D, Fortin P, Bae SC, Gordon C, Clarke A, Bernatsky S, Hanly JG, Isenberg D, Rahman A, Merrill J, Wallace DJ, Ginzler E, Khamashta M, Bruce I, Nived O, Sturfelt G, Steinsson K, Manzi S, Dooley MA, Kalunian K, Petri M, Aranow C, Font J, van Vollenhoven R, Stoll T, Ramsey-Goldman R. 25-hydroxyvitamin D and cardiovascular disease in patients with systemic lupus erythematosus: data from a large international inception cohort. Arthritis Care Res (Hoboken). 2014 Aug; 66(8):1167-76.