Wollny, A., Kreher, S., Sielk, M., Wilm, S. and Brockmann, S. (2008) “General Practitioners Caught in the "Trap of a Relationship"? Results of a Qualitative Study about Concepts of Disease Held by Doctors and Their Treatment Strategies of Venous Ulcer”, Forum Qualitative Sozialforschung / Forum: Qualitative Social Research, 9(1). doi: 10.17169/fqs-9.1.344.