1. The stages of disc degenerafon as revealed by discograms;Adams;JBJS,1986
2. Award-winning study finds that current diagnostic techniques cannot identify pain of discogenic origin;Caragee;The Back Letter,2000
3. Provocative discography as a guide to planning operations on the spine;Colhoun;JBJS,1988
4. An attempt to diagnose the level of a dísc lesion clinically by dise puncture;Hirsch;Acta Orthop Sean,1968
5. The question of lumbar discography;Holt;JBJS,1968