1. 1. Berrios GE. Of mania. History of Psychiatry 2004;15(57 Pt 1):105and#x2013;124. DOI: 10.1177/0957154X04041829.
2. 2. Kramer M. ICD-10 Classification of Mental and Behavioural Disorders Clinical Descriptions and Diagnostic Guidelines. World Health Organization; 2012.
3. 3. Khan O, Youssef NA. A brief history of polarity in mood and its diagnostic evolution. Ann Clin Psychiatry 2018;30(1):61and#x2013;66.
4. 4. Robins L. Diagnostic and statistical manual of mental disorders: DSM-5. 5th ed., Washington: American Psychiatric Publishing; 2013. pp. 237and#x2013;242.
5. 5. Davis S, Kenneth L. Neuropsychopharmacology. 5th ed., Philadelphia: Lippincott Williams and#x0026; Wilkins; 2002. pp. 1609and#x2013;1610.