@article{Laack2007,
  author    = {Walter van Laack},
  title     = {Elektro- und Ultraschalltherapie},
  journal   = {Station{\"a}re Naturheilkunde : Handbuch f{\"u}r Klinik und Rehabilitation / Andr{\´e}-Michael Beer. [Autoren: Peter Altmeyer ...]},
  pages     = {162 -- 171},
  year      = {2007},
}