@article{MoellerSchreierLietal.2009,
  author    = {Birgit M{\"o}ller and Herbert Schreier and Alice Li and Georg Romer},
  title     = {Gender identity disorder in children and adolescents},
  journal   = {Current problems in pediatric and adolescent health care},
  volume    = {39},
  pages     = {117 -- 143},
  doi       = {10.1016/j.cppeds.2009.02.001},
  year      = {2009},
}