Supplements of 20 microg/d cholecalciferol optimized serum 25-hydroxyvitamin D concentrations in 80% of premenopausal women in winter.

MLA

Nelson ML, et al. “Supplements of 20 Microg/d Cholecalciferol Optimized Serum 25-Hydroxyvitamin D Concentrations in 80% of Premenopausal Women in Winter.” Journal of Nutrition, vol. 139, no. 3, Mar. 2009, pp. 540–46. EBSCOhost, https://doi.org/10.3945/jn.108.096180.

APA

Nelson ML, Blum JM, Hollis BW, Rosen C, Sullivan SS, Nelson, M. L., Blum, J. M., Hollis, B. W., Rosen, C., & Sullivan, S. S. (2009). Supplements of 20 microg/d cholecalciferol optimized serum 25-hydroxyvitamin D concentrations in 80% of premenopausal women in winter. Journal of Nutrition, 139(3), 540–546. https://doi.org/10.3945/jn.108.096180

Chicago

Nelson ML, Blum JM, Hollis BW, Rosen C, Sullivan SS, Monica L Nelson, James M Blum, Bruce W Hollis, Clifford Rosen, and Susan S Sullivan. 2009. “Supplements of 20 Microg/d Cholecalciferol Optimized Serum 25-Hydroxyvitamin D Concentrations in 80% of Premenopausal Women in Winter.” Journal of Nutrition 139 (3): 540–46. doi:10.3945/jn.108.096180.