Fig. 3From: Electroacupuncture plus moxibustion therapy for patients with major depressive disorder: study protocol for a randomized controlled trialA front view (a, b) and a bottom view (c, d) of real (a, c) and sham moxibustion (b, d). Nevertheless, the hole at the base of sham moxibustion is plugged with Styrofoam to block the channel that transfers heat (d), the front view of the real and sham moxibustion is undistinguishableBack to article page