TY - JOUR AN - 12 AU - Lewis,P. AU - Weir,B. AU - Broad,R. AU - Grace,M. TI - Long term prospective study of lumbosacral discectomy. JO - J Neurosurg PY - 1987 VL - 67 SP - 49-53 M2 - 49 DO - 10.3171/jns.1987.67.1.0049 ER -