@article{KrausHackenbergShehataDieleretal.2022,
  author    = {Fabian Kraus and Stephan Hackenberg and Wafaa Shehata-Dieler and Rudolf Hagen},
  title     = {High-sensitivity FEES\(^{®}\) with the professional image enhancement technology "PIET"},
  journal   = {European Archives of Oto-Rhino-Laryngology},
  volume    = {279},
  number    = {1},
  doi       = {10.1007/s00405-021-07067-y},
  year      = {2022},
}