@article{SchmidBlomeyerBeckeretal.2009,
  author    = {Brigitte Schmid and Dorothea Blomeyer and Katja Becker and Jens Treutlein and Ulrich S. Zimmermann and Arlette F. Buchmann and Martin H. Schmidt and G{\"u}nter Esser and Tobias Banaschewski and Marcella Rietschel and Manfred Laucht},
  title     = {The interaction between the dopamine transporter gene and age at onset in relation to tobacco and alcohol use among 19-year-olds},
  doi       = {10.1111/j.1369-1600.2009.00171.x},
  url       = {http://www3.interscience.wiley.com/cgi-bin/issn?DESCRIPTOR=PRINTISSN\&VALUE=1355-6215},
  year      = {2009},
}