Johnny Pellas (2023). Assessment and psychological treatment of depression in older adults. Uppsala universitet.
I. Johnny Pellas och Mattias Damberg (2021). Accuracy in detecting major depressive episodes in older adults using the swedish versions of the GDS-15 and PHQ-9. Upsala journal of medical sciences.
II. Johnny Pellas, Fritz Renner, Julie L. Ji och Mattias Damberg (2021). Telephone-based behavioral activation with mental imagery for depression: A pilot randomized clinical trial in isolated older adults during the covid-19 pandemic. International journal of geriatric psychiatry.
III. Johnny Pellas, Fritz Renner, Julie L. Ji och Mattias Damberg (2022). Telephone-Based Behavioral Activation with Mental Imagery for Depression in Older Adults in Isolation During the covid-19 Pandemic: Long-term Results from a Pilot Trial. Clinical gerontologist.
IV. Johnny Pellas, Fritz Renner, Julie L. Ji och Mattias Damberg och Marie Kivi. Not the same, but similar: a qualitative study of older adults’ experiences
of a telephone-based psychological treatment for depression during the covid-19 pandemic. Ingår i avhandling.