7Liu J ,Yang M,Liu Y ,et aL Herbal medicines for treatment of irritable bowel syndrome. Cochrane Database of Systematic Reviews 2006, Issue 1. Art. No. : CD004116. DOI : 10.1002/ 14651858.CD004116.pub2.
8Gagnier JJ,van Tulder MW,Berman BM,et al. Herbal medicine for low back pain. Cochrane Database of Systematic Reviews 2006, Issue 2. Art. No. : CD004504. DOI: 10.1002/ 14651858.CD004504.pub3.
9Liu X,Zhang M,He L,et al. Chinese herbs combined with Western medicine for severe acute respiratory syndrome (SARS).Cochrane Database of Systematic Reviews 2006, Is- suel. Art NcL: CD00488Z DOI: 10.1002/14651858. CD00488Z pub2.
10Liu JP,Manheimer E,Yang M. Herbal medicines for treating HIV infection and AIDS. Cochrane Database of Systematic Reviews 2005, Issue 3. Art. No.: CD003937. DOI: 10.1002/ 14651858.CD003937.pub2.