@article{KruegerSchaeferBusscheetal.2021,
  author    = {Caroline Kr{\"u}ger and Ingmar Sch{\"a}fer and Hendrik van den Bussche and Horst Bickel and Angela Fuchs and Jochen Gensichen and Hans-Helmut K{\"o}nig and Wolfgang Maier and Karola Mergenthal and Steffi Gerlinde Riedel-Heller and Gerhard Sch{\"o}n and Siegfried Weyerer and Birgitt Wiese and Wolfgang von Renteln-Kruse and Claudia Langebrake and Martin Scherer},
  title     = {Anticholinergic drug burden according to the anticholinergic drug scale and the German anticholinergic burden and their impact on cognitive function in multimorbid elderly German people: a multicentre observational study},
  journal   = {BMJ open},
  volume    = {11},
  number    = {3, art. e044230},
  pages     = {1 -- 10},
  doi       = {10.1136/bmjopen-2020-044230},
  year      = {2021},
}