2[3]Gill GG, Bowerman JW. Pedical fat grafts for the prevention of scar in low back surgery [J]. spine, 1985,10:662
3[4]Pilgerds, kolb Fo Robinson RAet al Discitis(closed space in fection)following removal of lunbar in terverte bral disc[J] ,J Bone Joint surg (Am)1969,51:713
