Ellard, David R., Underwood, Martin, Achana, Felix A., Antrobus, James H. L., Balasubramanian, Shyam, Brown, Sally, Cairns, Melinda, Griffin, James M., Griffiths, Frances, Haywood, Kirstie L., Hutchinson, Charles E., Lall, Ranjit, Petrou, Stavros, Stallard, Nigel, Tysall, Colin, Walsh, David A. and Sandhu, Harbinder (2017) Facet joint injections for people with persistent non-specific low back pain (Facet Injection Study) : a feasibility study for a randomised controlled trial. Health Technology Assessment, 21 (30). pp. 1-184. doi:10.3310/hta21300