@article{RaewerBraunvonReinersdorffOchottaetal.2011,
  author    = {Henrik Raewer and Andrea Braun von Reinersdorff and T. Ochotta and Christoph Rasche},
  title     = {Market and competitive positioning of specialized practices},
  journal   = {UROLOGE},
  volume    = {50},
  number    = {12},
  pages     = {1550 -- 1559},
  doi       = {10.1007/s00120-011-2745-x},
  year      = {2011},
}