Cite

    Wagner, C., Baggerly, C., McDonnell, S., Baggerly, L., Hamilton, S., Winkler, J., Warner, G., Rodriguez, C., Shary, J., Smith, P., & Hollis, B. (2015). post-hoc comparison of vitamin D status at three timepoints during pregnancy demonstrates lower risk of preterm birth with higher vitamin D closer to delivery. Journal of steroid biochemistry and molecular biology, (148), 256–260. http://access.bl.uk/ark:/81055/vdc_100042260986.0x000017