Ernst E (April 2009). "Acupuncture: what does the most reliable evidence tell us?". Journal of Pain and Symptom Management. 37 (4): 709-14. doi:10.1016/j.jpainsymman.2008.04.009. PMID18789644.
Ernst E (April 2009). "Acupuncture: what does the most reliable evidence tell us?". Journal of Pain and Symptom Management. 37 (4): 709-14. doi:10.1016/j.jpainsymman.2008.04.009. PMID18789644.