@article{KowarkAdamAhrensetal.2018,
  author    = {Ana Kowark and Christian Adam and J{\"o}rg Ahrens and Malek Bajbouj and Cornelius Bollheimer and Matthias Borowski and Richard Dodel and Michael Dolch and Thomas Hachenberg and Dietrich Henzler and Frank Hildebrand and Ralf-Dieter Hilgers and Andreas Hoeft and Susanne Isfort and Peter Kienbaum and Mathias Knobe and Pascal Kn{\"u}fermann and Peter Kranke and Rita Laufenberg-Feldmann and Carla Nau and Mark D. Neuman and Cynthia Olotu and Christopher Rex and Rolf Rossaint and Robert D. Sanders and Rene Schmidt and Frank Schneider and Hartmut Siebert and Max Skorning and Claudia Spies and Oliver Vicent and Frank Wappler and Dieter Christian Wirtz and Maria Wittmann and Kai Zacharowski and Alexander Zarbock and Mark Coburn},
  title     = {Improve hip fracture outcome in the elderly patient (iHOPE) : a study protocol for a pragmatic, multicentre randomised controlled trial to test the efficacy of spinal versus general anaesthesia},
  journal   = {BMJ open},
  volume    = {8},
  number    = {10, e023609},
  pages     = {1 -- 11},
  doi       = {10.1136/bmjopen-2018-023609},
  year      = {2018},
}