Psychiatric comorbidity and work disability in patients with inflammatory rheumatic diseases: Bernd Löwe, MD, Dipl-Psych, Levke Willand, MD, Wolfgang Eich, MD, Stephan Zipfel, MD, Anthony D. Ho, MD, Wolfgang Herzog, MD, Christoph Fiehn, MD - Löwe, Bernd; Willand, Levke; Eich, Wolfgang; Zipfel, Stephan; Ho, Anthony Dick; Herzog, Wolfgang; Fiehn, Christoph (Psychosomatic medicine, 2004)