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- A Twin Study of the Genetics of High Cognitive Ability Selected from 11,000 Twin Pairs in Six Studies from Four Countries Journal Article
- Awards presented at the 37th annual meeting of the Behavior Genetics Association, June 5, 2007, Amsterdam, the Netherlands. Journal Article
- Dog ownership, the natural outdoor environment and health: a cross-sectional study Journal Article
- GENETICS OF TYPE-A BEHAVIOR IN 2 EUROPEAN COUNTRIES - EVIDENCE FOR SIBLING INTERACTION Journal Article
- Longitudinal Heritability of Childhood Aggression Journal Article ... more