@article{GonzalezGonzalezSchmuckerNothackeretal.2020,
  author    = {Ana I. Gonz{\´a}lez-Gonz{\´a}lez and Christine Schmucker and Julia Nothacker and Truc Sophia Nguyen and Maria-Sophie Br{\"u}ckle and Jeanet Blom and J. M. van den Akker and Kristian R{\"o}ttger and Odette Wegwarth and Tammy Hoffmann and Ferdinand M. Gerlach and Sharon E. Straus and J{\"o}rg J. Meerpohl and Christiane Muth},
  title     = {End-of-life care preferences of older patients with multimorbidity: protocol of a mixed-methods systematic review},
  journal   = {BMJ open},
  volume    = {10},
  number    = {7, art. e038682},
  pages     = {1 -- 7},
  doi       = {10.1136/bmjopen-2020-038682},
  year      = {2020},
}