Histogram of total fibromyalgia impact questionnaire (FIQ) score. The number of subjects (n = 20 at each time point) with scores in each range is shown for 0, 2, and 7 months of dietary intervention. Increasing score denotes a greater negative impact of FMS on the subject.
Donaldson et al. BMC Complementary and Alternative Medicine 2001 1:7 doi:10.1186/1472-6882-1-7