@article{MuthUhlmannHaefelietal.2018,
  author    = {Christiane Muth and Lorenz Uhlmann and Walter E. Haefeli and Justine Rochon and J. M. van den Akker and Rafael Perera and Corina G{\"u}thlin and Martin Beyer and Frank Oswald and Jos{\´e} Mar{\´i}a Valderas-Mart{\´i}nez and Andr{\´e} J. Knottnerus and Ferdinand M. Gerlach and Sebastian Harder},
  title     = {Effectiveness of a complex intervention on Prioritising Multimedication in Multimorbidity (PRIMUM) in primary care : results of a pragmatic cluster randomised controlled trial},
  journal   = {BMJ open},
  volume    = {8},
  number    = {2, e017740},
  pages     = {1 -- 16},
  doi       = {10.1136/bmjopen-2017-017740},
  url       = {http://bmjopen.bmj.com/content/8/2/e017740.long},
  year      = {2018},
}