Is maternal smoking during pregnancy a risk factor for Hyperkinetic disorder?-findings from a sibling design
Obel, Carsten; Olsen, Jorn; Henriksen, Tine Brink; Rodriguez, Alina; Jarvelin, Marjo-Riitta; Moilanen, Irma; Parner, Erik; Linnet, Karen Markussen; Taanila, Anja; Ebeling, Hanna; Heiervang, Einar; Gissler, Mika (2011)