Hagop S Akiskal, Jorge Alberto Costa e Silva, Allen Frances, Hugh L Freeman, Martin B Keller, Yvon D Lapierre, Juan José Lopez Ibor, Eugene S Paykel, Max Stabl, WPA Dysthymia Working Group, None,
Dysthymia in clinical practice British Journal of Psychiatry. ,vol. 166, pp. 174- 183 ,(1995) ,
10.1192/BJP.166.2.174