Werke:
- Economics of medically unexplained symptoms: a systematic review of the literature
- Psychiatric comorbidity as predictor of costs in back pain patients undergoing disc surgery: a longitudinal observational study
- Validity and responsiveness of the EQ-5D in assessing and valuing health status in patients with somatoform disorders
- The course of pain intensity in patients undergoing herniated disc surgery : a 5-year longitudinal observational study