Schaafsma F, Schonstein E, Ojajärvi A, Verbeek J. Physical conditioning programs for improving work outcomes among workers with back pain. Scand J Work Environ Health. 2010 Aug 9. [Epub ahead of print]
Sherman KJ, Cherkin DC, Cook AJ, Hawkes RJ, Deyo RA, Wellman R, Khalsa PS. Comparison of yoga versus stretching for chronic low back pain: protocol for the Yoga Exercise Self-care (YES) trial. Trials. 2010 Mar 31;11:36.
Binder M, Coad A. An examination of the dynamics of well-being and life events using vector autoregressions” Journal of Economic Behavior & Organization, 2010; 76 (2): 352–371 doi:10.1016/j.jebo.2010.06.006