%0 Journal Article %A Catherine Hynes %A Amrita Jesurasa %A Patricia Evans %A Caroline Mitchell %T Vitamin D supplementation for women before and during pregnancy: an update of the guidelines, evidence, and role of GPs and practice nurses %D 2017 %R 10.3399/bjgp17X692489 %J British Journal of General Practice %P 423-424 %V 67 %N 662 %U https://bjgp.org/content/bjgp/67/662/423.full.pdf