Lumbar Spinal StenosisBMJ 373:m1581, Kruger Jensen, R.,et al, 2021
Lumbar Spinal StenosisNEJM 358:818-825, Katz,J.N. &Harris,M.B., 2008
Low Back PainNEJM 344:363-370, Deyo,R.A. &Weinstein,J.N., 2001