1. Hyperactive behaviour in Angelman syndrome: the association with sleep problems and age of epilepsy onset. Issue 7 (5th May 2021) Authors: Bakke, K. A.; Howlin, P.; Helverschou, S. B. Journal: Journal of intellectual disability research Issue: Volume 65:Issue 7(2021) Page Start: 666 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗