Symptom presentation, interventions, and outcome of emotionally-distressed patients in primary care - Fritzsche, Kurt; Sandholzer, Hagen; Wetzler-Burmeister, Edda; Hartmann, Armin; Cierpka, Manfred; Deter, Hans-Christian; Richter, Rainer; Schmidt, Bettina; Härter, Martin; Höger, Christoph; Wirsching, Michael (Psychosomatics, 2010)