Z Orthop Ihre Grenzgeb. 2003 Jan-Feb; 141(1): 6-10.

[Acupuncture in chronic back pain. Background, development and design of the German Acupuncture Trial (gerac-cLBP)]

Haake M, Schade-Brittinger C, M�ller HH, Prinz H, Basler HD, Donner-Banzhoff N, Sch�fer H, Molsberger A.

Orthop�dische Klinik der Universit�t Regensburg.