@article{Laack2007,
  author    = {Walter van Laack},
  title     = {Juvenile Osteochondronekrosen - Wesen und m{\"o}gliche Entstehungsursachen},
  journal   = {Zeitschrift f{\"u}r Allgemeinmedizin ; ZFA. 60 (1984)},
  pages     = {1432},
  year      = {2007},
}