1Executive Committee of the North American Spine Society. Position statement on discog- rarohvf[J]. S Dine, 1988,13 : 1343.
2CARRAGEE E J,TANNER C M,YANG B,et al.Spine,1999,24(23):2542- 2547.
3BLOCK A,VANHARANTA H,OHNMEISS D D,et al,Spine, 1996,21 (3) :334-338.
4OHNMEISS D D, VANHARANTA H, GUYER R D.Spine,1995,20(6) :729-7. 1. 3.
5SACHS B L,VANHARANTA H,SPIVEY M A,et al. Dalls discogram description. A new classification of CT/discography in low-back discorders[J]. Spine, 1987,12 : 287- 294.
7ADAMS M A. The stages of degeneration as revealed by discograms[J]. Bone Joint Surg(Br) ,1986,68(1) :36-41.
8CROCK H V. Intemational disc disruption:a challenge to disc prolapse fifty years on the presidential address: international society for the study of the lumbar[J]. Spine,1986,11(6) :650-653.
9BRIGHTHILL T C, PILE N, EICHELHERGER R P, et al. Normal magnetic resonance imaging and abnormal discography in lumbar disc disraption[J]. Spine, 1994,19(9) : 1075- 1077.
10SCHNEIDERMAN G, FLANNIGAN B, KINGSTON S, et al. MRI in the di-agnosis of disc degeneration., correlation with discography[J]. Spine, 1997,12(3) :276-291.
