How Objective are Systematic Reviews?

Linde K. , Willich S.N. How objective are systematic reviews? Differences between reviews in complementary medicine. J R Soc Med 2003; 96: 17–22

Ernst E. , White A.R. Acupuncture for back pain. A meta-analysis of randomized controlled trials. Arch Intern Med 1998; 158: 2235–41

van Tulder M.W. , Cherkin D.C. , Berman B. , Lau L. , Koes B.W. Acupuncture for low back pain. Cochrane Library 2000

Linde K. , Clausius N. , Ramirez G. Are the clinical effects of homoeopathy placebo effects? A meta-analysis of placebo-controlled trials. Lancet 1997; 350: 834–43

Linde K. , Scholz M. , Ramirez G. , Clausius N. , Melchart D. , Jonas W.B. Impact of study quality on outcome in placebo controlled trials of homoeopathy. J Clin Epidemiol 1999; 52: 631–6

Ernst E. A systematic review of systematic reviews of homeopathy. Br J Clin Pharmacol 2002; 54: 577–82