1. Medical evaluation of the patient with pain;Loeser,2001
2. Recognizing specific characteristics of nonspecific low back pain;Bernard;Clin Orthop,1987
3. Sacroiliac joint: pain referral maps upon applying a new injection/arthrography technique;Fortin;Part I. Asymptomatic volunteers. Spine,1994
4. The Fortin finger test: an indicator of sacroiliac pain;Fortin;Am J Orthop,1997
5. The history;Macnab,1977