Seasonal variation of serum vitamin D among Greek female patients with osteoporosis.
Papadakis G, Keramidas I, Kakava K, Pappa T, Villiotou V, Triantafillou E, Drosou A, Tertipi A, Kaltzidou V, Pappas A. Seasonal variation of serum vitamin D among Greek female patients with osteoporosis. In Vivo. 2015 May-Jun; 29(3):409-13.