Effects of pharmacotherapy and psychotherapy in depressed primary-care patients: a randomized, controlled trial including a patients’ choice arm - Hegerl, U; Hautzinger, M; Mergl, R; Kohnen, R; Schütze, M; Scheunemann, W; Allgaier, A-K; Coyne, J; Henkel, V (International Journal of Neuropsychopharmacology, 2010)