[The primary-secondary dichotomy in depressive disorders].
D003866:Depressive Disorder / Q000175:diagnosis / Q000503:physiopathology* / Q000523:psychology; D003937:Diagnosis, Differential; D006801:Humans; D001523:Mental Disorders / Q000150:complications; D011379:Prognosis
Dihotomia primar/secundar în tulburările depresive.