L. Vervaet

Avoidance and Confrontation of Painful, Back-Straining Movements in Chronic Back Pain Patients

G. Crombez, F. Baeyens, P. Eelen, 1998, Behavior modification.

Do pain expectancies cause pain in chronic low back patients? A clinical investigation.

G. Crombez, F. Baeyens, P. Eelen, 1996, Behaviour research and therapy.