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Comparison of pain scores-corrected funnel plot. Notes. (a) Warm acupuncture; (b) Western medicine; (c) acupuncture + Western medicine; (d) bloodletting-cupping + Western medicine; (e) acupuncture; (f) fire acupuncture + Western medicine; (g) fire acupuncture; (h) bloodletting-cupping; (i) acupoint injection + Western medicine; (j) acupoint injection; (k) electroacupuncture + Western medicine; (l) acupoint embedding; (n) electroacupuncture; (o) acupoint embedding + Western medicine.
