Ostermann JK, Reinhold T, Witt CM. Can additional homeopathic treatment save costs? A retrospective cost-analysis based on 44500 insured persons. PLOS ONE. 2015;10(7):e0134657

Teut M, Dahler J, Hirschberg U, Luedtke R, Albrecht H, Witt C. Homeopathic drug proving of Okoubaka aubrevillei: a randomised placebo-controlled trial. Trials, 2013. 14(1):96.

Roll S, Reinhold T, Pach D, Brinkhaus B, Icke K, Staab D, Jäckel T, Wegscheider K, Willich S, Witt C. Comparative effectiveness of homeopathic vs. conventional therapy in usual care of atopic eczema in children: long-term medical and economic outcomes. PlosONE 2013. 8:1.

Witt C, Brinkhaus B, Pach D, Reinhold T, Wruck K, Roll S, Jackel T, Staab D, Wegscheider K, Willich S. Homoeopathic versus conventional therapy for atopic eczema in children: medical and economic results. Dermatology, 2009. 219(4):329-340.

Witt C, Luedtke R, Mengler N, Willich S. How healthy are chronically ill patients after eight years of homeopathic treatment? - Results from a long term observational study. BMC Public Health, 2008. 8:413.

Witt C, Luedtke R, Baur R, Willich S. Homeopathic medical practice: long-term results of a cohort study with 3981 patients. BMC Public Health, 2005. 5:115.

Witt C, Keil T, Selim D, Roll S, Vance W, Wegscheider K, Willich S. Outcome and costs of homoeopathic and conventional treatment strategies: a comparative cohort study in patients with chronic disorders. Complement Ther Med, 2005. 13(2):79-86.

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