@misc{indiciae329b62eff8e8,
  title = {Higher 25-hydroxyvitamin D concentrations are associated with better lower-extremity function in both active and inactive persons aged > or =60 y.},
  author = {Heike A Bischoff-Ferrari and Thomas Dietrich and E John Orav and Frank B Hu and Yuqing Zhang and Elisabeth W Karlson and Bess Dawson-Hughes},
  year = {2004},
  doi = {10.1093/ajcn/80.3.752},
  url = {https://pubmed.ncbi.nlm.nih.gov/15321818/},
  note = {Source identifier: 15321818}
}