1. Objective measurement of attention deficit hyperactivity disorder symptoms outside the clinic using the QbCheck: Reliability and validity. Issue 2 (25th February 2020) Authors: Ulberstad, Fredrik; Boström, Hans; Chavanon, Mira‐Lynn; Knollmann, Martin; Wiley, James; Christiansen, Hanna; Thorell, Lisa B. Journal: International journal of methods in psychiatric research Issue: Volume 29:Issue 2(2020) Page Start: n/a Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗