@article{MuessigNiaMasyuketal.2018,
  author    = {Johanna Maria M{\"u}ssig and Amir M. Nia and Maryna Masyuk and Alexander Lauten and Anne Lena Sacher and Thorsten Brenner and Marcus Franz and Frank Bloos and Henning Ebelt and Stefan J. Schaller and Kristina Fuest and Christian Rabe and Thorben Dieck and Stephan Steiner and Tobias Graf and Rolf Alexander J{\´a}nosi and Patrick Meybohm and Philipp Simon and Stefan Utzolino and Tim Rahmel and Eberhard Barth and Michael Schuster and Malte Kelm and Christian Jung},
  title     = {Clinical Frailty Scale (CFS) reliably stratifies octogenarians in German ICUs : a multicentre prospective cohort study},
  journal   = {BMC geriatrics},
  volume    = {18},
  number    = {1, Art. 162},
  pages     = {1 -- 9},
  doi       = {10.1186/s12877-018-0847-7},
  year      = {2018},
}