Madsen, Gøtzsche, Hróbjartsson. Acupuncture treatment for pain: systematic review of randomised clinical trials with acupuncture, placebo acupuncture, and no acupuncture groups. BMJ. 2009. AcupunctureHyun Hwan AnFebruary 16, 2021
Han, J.S. Acupuncture and endorphins. Neuroscience Letters, 361 (2004), 258-261. AcupunctureHyun Hwan AnFebruary 15, 2021
