@article{vandeKerkhofvanderHeijdenSchneideretal.2012,
  author    = {Noortje W. A. van de Kerkhof and Frank M. M. A. van der Heijden and Marc K. F. Schneider and Bruno Pfuhlmann and Gerald St{\"o}ber and Jos I. M. Egger and Willem M. A. Verhoeven},
  title     = {Cycloid psychoses: Leonhard's descriptions revisited},
  journal   = {European Journal of Psychiatry},
  volume    = {26},
  number    = {4},
  doi       = {10.4321/S0213-61632012000400006},
  year      = {2012},
}