Stamming
![Portrettbilde](https://en.uit.no/Content/341594/cache=20222601165932/transformation=scale10000x180/bertil_bjerkan_web.jpg)
Bertil Bjerkan
Unit: Department of Psychology
Social development in infancy; early communication - normal and abnormal processes; deaf-blindness; stuttering.
Unit: Department of Psychology
Social development in infancy; early communication - normal and abnormal processes; deaf-blindness; stuttering.