Heradstveit, O., Skogen, J. C., Bøe, T., Hetland, J., Pedersen, M. U., & Hysing, M. (2018). Prospective associations between childhood externalising and internalising problems and adolescent alcohol and drug use: The Bergen Child Study. Nordisk Alkohol Nark.

Heradstveit, Ove, Jens Christoffer Skogen, Tormod Bøe, Jørn Hetland, Mads Uffe Pedersen, und Mari Hysing. "Prospective Associations between Childhood Externalising and Internalising Problems and Adolescent Alcohol and Drug Use: The Bergen Child Study." Nordisk Alkohol Nark 2018.

Heradstveit, Ove, et al. "Prospective Associations between Childhood Externalising and Internalising Problems and Adolescent Alcohol and Drug Use: The Bergen Child Study." Nordisk Alkohol Nark 2018.