@article{27030,
  author       = {{Föcker, Manuel and Antel, Jochen and Grasemann, Corinna and Führer, Dagmar and Timmesfeld, Nina and Öztürk, Dana and Peters, Triinu and Hinney, Anke and Hebebrand, Johannes and Libuda, Lars}},
  issn         = {{1471-244X}},
  journal      = {{BMC Psychiatry}},
  title        = {{{Effect of an vitamin D deficiency on depressive symptoms in child and adolescent psychiatric patients – a randomized controlled trial: study protocol}}},
  doi          = {{10.1186/s12888-018-1637-7}},
  year         = {{2018}},
}