Where are the randomized clinical trials of CAM?

? This graph shows the consistent year-to-year increase in the number of randomized clinical trials in CAM based on a MEDLINE search between 1982 and 2002. There has also been an increase in the number of systematic reviews and META analyses during the same period.

The information can be found online at Complementary and Alternative Medicine in the United States, which is a publication of The National Academies Press.