Lumbar spinal stenosis associated with peripheral arterial disease: a prospective multicenter observational study.
Uesugi K, Sekiguchi M, Kikuchi S, Kanayama M, Takahashi K, Chiba K, Doita M, Toribatake Y, Matsuo H, Yonenobu K, et al. J Orthop Sci. 2012 Nov; 17(6):673-81. Epub 2012 Sep 28.