@article{KernebeckRaaschOstermann2014,
  author    = {Sven Kernebeck and Dominik Raasch and R{\"u}diger Ostermann},
  title     = {[Certification of fitness and health apps - a critical acknowledgment. Available for free, commercial or research oriented].},
  journal   = {Pflege Zeitschrift},
  volume    = {67},
  pages     = {136 -- 9},
  year      = {2014},
}