National Institute for Health and Care Excellence. Low back pain and sciatica in over 16s: assessment and management (NG59), https://www.nice.org.uk/guidance/ng59 (2016, accessed 5 March 2017).
2.
QaseemAWiltTJMcLeanRM.; for the Clinical Guidelines Committee of the American College of Physicians. Noninvasive treatments for acute, subacute, and chronic low back pain: a clinical practice guideline from the American College of Physicians. Ann Intern Med. Epub ahead of print 14 February 2017. DOI: 10.7326/M16-2367.