@article{HorasvanHerckMaieretal.2020,
  author    = {Konstantin Horas and Ulrike van Herck and Gerrit S. Maier and Uwe Maus and Norbert Harrasser and Franz Jakob and Manuel Weissenberger and J{\"o}rg Arnholdt and Boris M. Holzapfel and Maximilian Rudert},
  title     = {Does vitamin D deficiency predict tumour malignancy in patients with bone tumours? Data from a multi-center cohort analysis},
  journal   = {Journal of Bone Oncology},
  volume    = {25},
  doi       = {10.1016/j.jbo.2020.100329},
  year      = {2020},
}