D. Turk

Opioids for chronic low-back pain.

S. Atlas, A. Furlan, A. Deshpande, 2007, The Cochrane database of systematic reviews.

(897): Opioid-induced constipation increases healthcare resource use and impairs work productivity: Comparison with other patient groups with and without constipation

J. Leslie, K. Annunziata, T. Bell, 2007 .

Nonpharmacological Treatment for Migraine: Incremental Utility of Physical Therapy with Relaxation and Thermal Biofeedback

S. Mercer, D. Marcus, L. Scharff, 1998, Cephalalgia : an international journal of headache.

Psychosocial and Behavioral Characteristics in Chronic Headache Patients: Support for a Continuum and Dual-Diagnostic Approach

D. Turk, D. Marcus, L. Scharff, 1995, Cephalalgia : an international journal of headache.

Behavioral aspects of low back pain

D. Turk, 2000 .