The Blood Supply of the Lumbar Vertebral Column.Crock, Henry V. M.D., F.R.C.S., F.R.A.C.S.; Yoshizawa, Hidezo M.D., Ph.D.Clinical Orthopaedics & Related Research: March/April 1976 - Volume 115 - Issue - ppg 6-21 SECTION I SYMPOSIUM Spinal Stenosis: PDF Only