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Forest plot of the meta-analysis for the scores of arthritis severity. (A) Mean differences in PVAS between curcuma and placebo. (B) Mean differences in PVAS and WOMAC between curcuma and placebo. (C) Mean differences in PVAS and WOMAC between curcuma and pain medicine. Each study is identified by first author and year. PVAS, pain visual analogue score; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index. Color images available online at www.liebertpub.com/jmf
