Note that some links will break as pages are moved, websites are abandoned, etc.
If this happens, please try searching for the page in the Wayback Machine at www.archive.org.
This trial compared standard care with standard care plus spinal manipulative therapy (SMT). Conclusions: SMT is unlikely to result in relevant early pain reduction in patients with acute low back pain. Bernhard, H-R Ziswiler, M Dähler, S Reichenbach and P M Villiger P Jüni, M Battaglia, E Nüesch, G Hämmerle, P Eser, R van Beers, D Vils, J, Ann Rheum Dis 2009;68;1420-1427 (originally published online 5th September 2008) [pdf]