@article{57aaa7c74e8a4605ae9b8dbd6f2d9d4f,
  title   = "The Effects of Vitamin D Supplementation on Physical Function and Quality of Life in Older Patients With Heart Failure A Randomized Controlled Trial",
  author  = "Witham, {Miles D.} and Crighton, {Linda J.} and Gillespie, {Neil D.} and Struthers, {Allan D.} and McMurdo, {Marion E. T.}",
  year    = "2010",
  volume  = "3",
  number  = "2",
  pages   = "195--201",
  journal = "Circulation: Heart Failure",
  issn    = "1941-3289",
}