@article{LauchtHohmEsseretal.2007,
  author    = {Manfred Laucht and E. Hohm and G{\"u}nter Esser and Martin H. Schmidt and Katja Becker},
  title     = {Association between ADHD and smoking in adolescence : shared genetic, environmental and psychopathological factors},
  doi       = {10.1007/s00702-007-0703-y},
  url       = {http://www.springerlink.com/content/101493},
  year      = {2007},
}