1. World Health Organization. Depressive disorder (depression) [Internet]. [cited 2023 Sep 28]. Available from: https://www.who.int/news-room/fact-sheets/detail/depression.
2. World Health Organization. International classification of diseases, eleventh revision (ICD-11) [Internet]. [cited 2023 Sep 28]. Available from: https://icd.who.int/browse11/l-m/en#/http%3a%2f%2fid.who.int%2ficd%2fentity%2f578635574.
3. Psychomotor retardation in depression: biological underpinnings, measurement, and treatment;Buyukdura;Prog Neuropsychopharmacol Biol Psychiatry,2011
4. The motor agitation and retardation scale: a scale for the assessment of motor abnormalities in depressed patients;Sobin;J Neuropsychiatry Clin Neurosci,1998
5. Clinical response to treatment in inpatients with depression correlates with changes in activity levels and psychomotor speed;Averill;Aust N Z J Psychiatry,2018