Homeopathic pathogenetic trials - a summary of 20 years of reflection, data collection, and analysis
Walach, H. (2009) Homeopathic pathogenetic trials - a summary of 20 years of reflection, data collection, and analysis. In: Witt, C. and Albrecht, H. (eds.) New Directions in Homeopathy Research. Essen, Germany: KVC Verlag. pp. 43-66.