Assessment and etiology of attention deficit hyperactivity disorder and oppositional defiant disorder in boys and girls
Behavior Genetics (2007) - Comment
pubmed: 17443404  doi: 10.1007/s10519-007-9153-4  issn: 0001-8244  issn: 1573-3297 

Eske M. Derks, Conor V. Dolan, Jim J. Hudziak, Michael C. Neale, Dorret I. Boomsma