@article{LauchtSkowronekBeckeretal.2008,
  author    = {Manfred Laucht and Markus H. Skowronek and Katja Becker and Thomas G. Schulze and Martin H. Schmidt and G{\"u}nter Esser and Marcella Rietschel},
  title     = {Environmental risk factors and attention-deficit : hyperactivity discorder symptoms ; reply},
  year      = {2008},
}