Figure 1.
Percentage of total publications in CNKI and Science Direct on acupuncture, acupuncture-moxibustion, moxibustion, and needling from 2004 to 2013 that included depth (blue) or efficacy (red).
Percentage of total publications in CNKI and Science Direct on acupuncture, acupuncture-moxibustion, moxibustion, and needling from 2004 to 2013 that included depth (blue) or efficacy (red).