Biele, Guido, Pål Zeiner, and Heidi Aase. “Convergent and Discriminant Validity of Psychiatric Symptoms Reported in The Norwegian Mother and Child Cohort Study at Age 3 Years With Independent Clinical Assessment in the Longitudinal ADHD Cohort Study”. Norsk Epidemiologi 24, no. 1-2 (December 29, 2014). Accessed April 25, 2024. https://www.ntnu.no/ojs/index.php/norepid/article/view/1819.