Hamre, H. J., Witt, C. M., Glockmann, A., Ziegler, R., Kienle, G. S., Willich, S. N., & Kiene, H. (2009). Health costs in patients treated for depression, in patients with depressive symptoms treated for another chronic disorder, and in non-depressed patients: A two-year prospective cohort study in anthroposophic outpatient settings. Springer-Verlag.

Hamre, Harald J., Claudia M. Witt, Anja Glockmann, Renatus Ziegler, Gunver S. Kienle, Stefan N. Willich, و Helmut Kiene. Health Costs in Patients Treated for Depression, in Patients With Depressive Symptoms Treated for Another Chronic Disorder, and in Non-depressed Patients: A Two-year Prospective Cohort Study in Anthroposophic Outpatient Settings. Springer-Verlag, 2009.

Hamre, Harald J., et al. Health Costs in Patients Treated for Depression, in Patients With Depressive Symptoms Treated for Another Chronic Disorder, and in Non-depressed Patients: A Two-year Prospective Cohort Study in Anthroposophic Outpatient Settings. Springer-Verlag, 2009.