@article{FrankFrankZimmermann2015,
  author    = {Ulrike Frank and Katrin Frank and Heinrich Zimmermann},
  title     = {Effects of Respiratory Therapy (bagging) on Respiratory Function, Swallowing Frequency and Vigilance in Tracheotomized Patients in Early Neurorehabilitation},
  journal   = {Pneumologie : Zeitschrift f{\"u}r Pneumologie und Beatmungsmedizin},
  volume    = {69},
  number    = {7},
  pages     = {394 -- 399},
  doi       = {10.1055/s-0034-1392359},
  year      = {2015},
}