1. Epidemiological features of chronic low-back pain;GB Andersson;Lancet,1999
2. Comprehensive evidence-based guidelines for interventional techniques in the management of chronic spinal pain;L Manchikanti;Pain Physician,2009
3. SCHIN - Sowerby Centre for Health Informatics at Newcastle (2009) Back pain - low (without radiculopathy) (Prodigy).
4. World Health Organization Media Centre (2012) “Traditional medicine,”. World Health Organization Media Centre.
5. TCM: Made in China;F Cheung;Nature,2011