1. Osteoarthrosis of the knee: a radiographic investigation.;Ahlback;Acta Radiol Diagn (Stockh),1968
2. Angst, F., Aeschlimann, A., Michel, BA. and Stucki, G. Minimal clinically important rehabilitation effects in patients with osteoarthritis of the lower extremities.;J Rheumatol,2002
3. Westin, SD., Noyes, FR. and McCloskey, JW. Rigorous statistical reliability, validity, and responsiveness testing of the Cincinnati Knee Rating System in 350 subjects with uninjured, injured, or anterior cruciate ligament-reconstructed knees.;Am J Sports Med,1999
4. Bellamy, N., Buchanan, WW., Goldsmith, CH., Campbell, J. and Stitt, LW. Validation study of WOMAC: a health status instrument for measuring clinically important patient relevant outcomes to antirheumatic drug therapy in patients with osteoarthritis of the hip or knee.;J Rheumatol,1988
5. Billings, A., Scott, DF., Camargo, MP. and Hofmann, AA. High tibial osteotomy with a calibrated osteotomy guide, rigid internal fixation, and early motion. Long-term follow-up.;J Bone Joint Surg Am,2000