![Season, dietary factors, and physical activity modify 25-hydroxyvitamin D concentration during pregnancy]()
Season, dietary factors, and physical activity modify 25-hydroxyvitamin D concentration during pregnancyHauta-alus, Helena H.; Holmlund-Suila, Elisa M.; Rita, Hannu J.; Enlund-Cerullo, Maria; Rosendahl, Jenni; Valkama, Saara M.; Helve, Otto M.; Hytinantti, Timo K.; Surcel, Heljä-Marja; Mäkitie, Outi M.; Andersson, Sture; Viljakainen, Heli T. · European Journal of Nutrition · 2017