Brain imaging of acupuncture: Comparing superficial with deep needling.

• MacPherson, H., Green, G.G.R., Nevado, A., Lythgoe, M.F., Lewith, G., Devlin, R., Haselfoot, R., Asghar, A.U.R.

• Neuroscience Letters 434(1) p. 144-149 d