Examining the factor structure of the 40-item Defense Style Questionnaire among adults with depression: an individual participant data meta-analysis.

Authors: Wienicke FJ, Burk WJ, Heinonen E, Lindfors O, Härkänen T, Knekt P, Sarvasmaa S, Dias de Mattos Souza L, Jansen K, Azevedo da Silva R, Nobre Dos Santos É, Dekker JJM, Peen J, Van HL, Perry JC, Van der Veld WM, Soares E, Spijker J, Driessen E

Journal: Research in psychotherapy (Milano)