1) Battie MC, Cherkin DC, Dunn R et al. Managing low back pain: Attitudes and treatment preferences of physical therapists. Phys Ther. 1994 ; 74 : 219-226.
2) Bush T, Cherkin D, Barlow W. The impact of physician attitudes on patient satisfaction with care for low back pain. Arch Fam Med. 1993 ; 2 : 301-305.
3) Cherkin DC, Deyo RA, Battie M et al. A comparison of physical therapy, chiropractic manipulation, and provision of an educational booklet for the treatment of patients with low back pain. N Eng J Med. 1998 ; 339 : 1021-1029.
4) Deyo RA, Diehl AK. Patient satisfaction with medical care for low-back pain. Spine. 1986 ; 11 : 28-30.
5) Donelson R, Aprill CN, Medcalf R et al. A prospective study of centralization of lumbar and referred pain: A predictor of symptomatic discs and anular competence. Spine. 1997 ; 22 : 1115-1122.