Two psychological interventions are effective in severely disabled, chronic back pain patients: a randomised controlled trial
International Journal of Behavioral Medicine (2010) - Comment
pubmed: 19967572  doi: 10.1007/s12529-009-9070-4  issn: 1070-5503  issn: 1532-7558 

Julia Anna Glombiewski, Jens Hartwich-Tersek, Winfried Rief