. . . . . . . . . . . . . . "major depressive disorder"@en . . . . . . . . . . . . "all-encompassing low mood accompanied by low self-esteem, and by loss of interest or pleasure in normally enjoyable activities"@en . . . . . . . . . . . . . . . "major depressive disorders"@en . . . . . . "major depressive disorder"@en . "major depressive disorder"@en . . . . .