%0 Journal Article %T Persistent Depression: Should Such a DSM %A Gin S. Malhi %A Gordon Parker %J The Canadian Journal of Psychiatry %@ 1497-0015 %D 2019 %R 10.1177/0706743718814429 %K DSM-5 %K persistent depressive disorder %K dysthymia %K psychiatric classification %U https://journals.sagepub.com/doi/full/10.1177/0706743718814429