@misc{9084,
  author = {M. Jeffreys and M. Redaniel and R. Martin},
  title = {The effect of pre-diagnostic vitamin D supplementation on cancer survival in women: a cohort study within the UK Clinical Practice Research Datalink},
  year = {2015},
  journal = {BMC Cancer},
  volume = {15},
  pages = {670},
  issn = {1471-2407},
  doi = {10.1186/s12885-015-1684-0},
}