Depression: influence of hopelessness, locus of control, hostility and length of treatment.
D000328:Adult; D003866:Depressive Disorder / Q000523:psychology / Q000628:therapy*; D006791:Hostility; D006801:Humans; D007389:Internal-External Control; D011379:Prognosis; D011581:Psychological Tests; D011613:Psychotherapy / Q000379:methods*; D012718:Set, Psychology; D013997:Time Factors