1. Spondylolytic fractures;Cyron, B.M.; Hutton, W.C.; Troup, J.D.G.;J. Bone and Joint Surg,1976
2. 1970 "The effects of torsion on the lumbar intervertebral joints: The role of torion in the production of disc degeneration";J. Bone and Joint Surg
3. An in vivo study of axial rotation of the human thoracolumbar spine;Gregersen, G.G.; Lucas, D.B.;J. Bone and Joint Surg,1967
4. Lumbar lesion in athletes especially weight lifters;Ichikawa, N.; Hirohashi, K.; Komatsu, K.; Wakabayashi, W.; Osada, A.; Baba, Y.; Watanabe, N.; Koshimune, M.; K., Kurodaf; Matsuda, H.; Kanbara, T.; Maeda, T.;Clin. Orthop. Surg,1974
5. Lumbar lesion in athletes especially concerning the aetiology of spondylolysis;Ichikawa, N.; Wakabayashi, W.; Koshimune, M.; Kuroda, K.; Koshikawa, A.;Traum. Medicine,1975