(Q57118760)
Statements
Is maternal smoking during pregnancy a risk factor for hyperkinetic disorder?--Findings from a sibling design (English)
Jørn Olsen
Tine Brink Henriksen
Irma Moilanen
Karen Markussen Linnet
Anja Taanila
Hanna Ebeling
Einar Heiervang
12 November 2010