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Hutchinson, Amanda J P; Ball, Simon; Andrews, Jeremy C H; Jones, Gareth G (2012). »The effectiveness of acupuncture in treating chronic non-specific low back pain: a systematic review of the literature«. Journal of Orthopaedic Surgery and Research. 7 (1): 36. doi:10.1186/1749-799X-7-36. ISSN1749-799X. PMID23111099.
Hutchinson, Amanda J P; Ball, Simon; Andrews, Jeremy C H; Jones, Gareth G (2012). »The effectiveness of acupuncture in treating chronic non-specific low back pain: a systematic review of the literature«. Journal of Orthopaedic Surgery and Research. 7 (1): 36. doi:10.1186/1749-799X-7-36. ISSN1749-799X. PMID23111099.
Hutchinson, Amanda J P; Ball, Simon; Andrews, Jeremy C H; Jones, Gareth G (2012). »The effectiveness of acupuncture in treating chronic non-specific low back pain: a systematic review of the literature«. Journal of Orthopaedic Surgery and Research. 7 (1): 36. doi:10.1186/1749-799X-7-36. ISSN1749-799X. PMID23111099.