@article{ETD,
      school = {M.P.H.},
      author = {Gillis, Jennifer C.},
      url = {http://digitalcollections.ohsu.edu/record/930},
      title = {Bioavailable vitamin D and fall risk: the osteoporotic  fractures in men study},
      number = {ETD},
      doi = {https://doi.org/10.6083/M4FF3QC3},
      recid = {930},
      address = {2013},
}